19396080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 74280960

約数和(自身を除く): 54884880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 79, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 158, 165, 176, 180, 186, 198, 220, 237, 240, 248, 264, 279, 310, 316, 330, 341, 360, 372, 395, 396, 440, 465, 474, 495, 496, 528, 558, 620, 632, 660, 682, 711, 720, 744, 790, 792, 869, 880, 930, 948, 990, 1023, 1116, 1185, 1240, 1264, 1320, 1364, 1395, 1422, 1488, 1580, 1584, 1705, 1738, 1860, 1896, 1980, 2046, 2232, 2370, 2449, 2480, 2607, 2640, 2728, 2790, 2844, 3069, 3160, 3410, 3476, 3555, 3720, 3792, 3960, 4092, 4345, 4464, 4740, 4898, 5115, 5214, 5456, 5580, 5688, 6138, 6320, 6820, 6952, 7110, 7347, 7440, 7821, 7920, 8184, 8690, 9480, 9796, 10230, 10428, 11160, 11376, 12245, 12276, 13035, 13640, 13904, 14220, 14694, 15345, 15642, 16368, 17380, 18960, 19592, 20460, 20856, 22041, 22320, 24490, 24552, 26070, 26939, 27280, 28440, 29388, 30690, 31284, 34760, 36735, 39105, 39184, 40920, 41712, 44082, 48980, 49104, 52140, 53878, 56880, 58776, 61380, 62568, 69520, 73470, 78210, 80817, 81840, 88164, 97960, 104280, 107756, 110205, 117552, 122760, 125136, 134695, 146940, 156420, 161634, 176328, 195920, 208560, 215512, 220410, 242451, 245520, 269390, 293880, 312840, 323268, 352656, 404085, 431024, 440820, 484902, 538780, 587760, 625680, 646536, 808170, 881640, 969804, 1077560, 1212255, 1293072, 1616340, 1763280, 1939608, 2155120, 2424510, 3232680, 3879216, 4849020, 6465360, 9698040, 19396080]

約数ペア:

[(1, 19396080), (2, 9698040), (3, 6465360), (4, 4849020), (5, 3879216), (6, 3232680), (8, 2424510), (9, 2155120), (10, 1939608), (11, 1763280), (12, 1616340), (15, 1293072), (16, 1212255), (18, 1077560), (20, 969804), (22, 881640), (24, 808170), (30, 646536), (31, 625680), (33, 587760), (36, 538780), (40, 484902), (44, 440820), (45, 431024), (48, 404085), (55, 352656), (60, 323268), (62, 312840), (66, 293880), (72, 269390), (79, 245520), (80, 242451), (88, 220410), (90, 215512), (93, 208560), (99, 195920), (110, 176328), (120, 161634), (124, 156420), (132, 146940), (144, 134695), (155, 125136), (158, 122760), (165, 117552), (176, 110205), (180, 107756), (186, 104280), (198, 97960), (220, 88164), (237, 81840), (240, 80817), (248, 78210), (264, 73470), (279, 69520), (310, 62568), (316, 61380), (330, 58776), (341, 56880), (360, 53878), (372, 52140), (395, 49104), (396, 48980), (440, 44082), (465, 41712), (474, 40920), (495, 39184), (496, 39105), (528, 36735), (558, 34760), (620, 31284), (632, 30690), (660, 29388), (682, 28440), (711, 27280), (720, 26939), (744, 26070), (790, 24552), (792, 24490), (869, 22320), (880, 22041), (930, 20856), (948, 20460), (990, 19592), (1023, 18960), (1116, 17380), (1185, 16368), (1240, 15642), (1264, 15345), (1320, 14694), (1364, 14220), (1395, 13904), (1422, 13640), (1488, 13035), (1580, 12276), (1584, 12245), (1705, 11376), (1738, 11160), (1860, 10428), (1896, 10230), (1980, 9796), (2046, 9480), (2232, 8690), (2370, 8184), (2449, 7920), (2480, 7821), (2607, 7440), (2640, 7347), (2728, 7110), (2790, 6952), (2844, 6820), (3069, 6320), (3160, 6138), (3410, 5688), (3476, 5580), (3555, 5456), (3720, 5214), (3792, 5115), (3960, 4898), (4092, 4740), (4345, 4464)]