19914840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 192

約数和(自身を含む): 72783360

約数和(自身を除く): 52868520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 47, 55, 60, 66, 72, 88, 90, 94, 99, 107, 110, 120, 132, 141, 165, 180, 188, 198, 214, 220, 235, 264, 282, 321, 330, 360, 376, 396, 423, 428, 440, 470, 495, 517, 535, 564, 642, 660, 705, 792, 846, 856, 940, 963, 990, 1034, 1070, 1128, 1177, 1284, 1320, 1410, 1551, 1605, 1692, 1880, 1926, 1980, 2068, 2115, 2140, 2354, 2568, 2585, 2820, 3102, 3210, 3384, 3531, 3852, 3960, 4136, 4230, 4280, 4653, 4708, 4815, 5029, 5170, 5640, 5885, 6204, 6420, 7062, 7704, 7755, 8460, 9306, 9416, 9630, 10058, 10340, 10593, 11770, 12408, 12840, 14124, 15087, 15510, 16920, 17655, 18612, 19260, 20116, 20680, 21186, 23265, 23540, 25145, 28248, 30174, 31020, 35310, 37224, 38520, 40232, 42372, 45261, 46530, 47080, 50290, 52965, 55319, 60348, 62040, 70620, 75435, 84744, 90522, 93060, 100580, 105930, 110638, 120696, 141240, 150870, 165957, 181044, 186120, 201160, 211860, 221276, 226305, 276595, 301740, 331914, 362088, 423720, 442552, 452610, 497871, 553190, 603480, 663828, 829785, 905220, 995742, 1106380, 1327656, 1659570, 1810440, 1991484, 2212760, 2489355, 3319140, 3982968, 4978710, 6638280, 9957420, 19914840]

約数ペア:

[(1, 19914840), (2, 9957420), (3, 6638280), (4, 4978710), (5, 3982968), (6, 3319140), (8, 2489355), (9, 2212760), (10, 1991484), (11, 1810440), (12, 1659570), (15, 1327656), (18, 1106380), (20, 995742), (22, 905220), (24, 829785), (30, 663828), (33, 603480), (36, 553190), (40, 497871), (44, 452610), (45, 442552), (47, 423720), (55, 362088), (60, 331914), (66, 301740), (72, 276595), (88, 226305), (90, 221276), (94, 211860), (99, 201160), (107, 186120), (110, 181044), (120, 165957), (132, 150870), (141, 141240), (165, 120696), (180, 110638), (188, 105930), (198, 100580), (214, 93060), (220, 90522), (235, 84744), (264, 75435), (282, 70620), (321, 62040), (330, 60348), (360, 55319), (376, 52965), (396, 50290), (423, 47080), (428, 46530), (440, 45261), (470, 42372), (495, 40232), (517, 38520), (535, 37224), (564, 35310), (642, 31020), (660, 30174), (705, 28248), (792, 25145), (846, 23540), (856, 23265), (940, 21186), (963, 20680), (990, 20116), (1034, 19260), (1070, 18612), (1128, 17655), (1177, 16920), (1284, 15510), (1320, 15087), (1410, 14124), (1551, 12840), (1605, 12408), (1692, 11770), (1880, 10593), (1926, 10340), (1980, 10058), (2068, 9630), (2115, 9416), (2140, 9306), (2354, 8460), (2568, 7755), (2585, 7704), (2820, 7062), (3102, 6420), (3210, 6204), (3384, 5885), (3531, 5640), (3852, 5170), (3960, 5029), (4136, 4815), (4230, 4708), (4280, 4653)]