19122840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 68468400

約数和(自身を除く): 49345560

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, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 439, 440, 484, 495, 605, 660, 726, 792, 878, 968, 990, 1089, 1210, 1317, 1320, 1452, 1756, 1815, 1980, 2178, 2195, 2420, 2634, 2904, 3512, 3630, 3951, 3960, 4356, 4390, 4829, 4840, 5268, 5445, 6585, 7260, 7902, 8712, 8780, 9658, 10536, 10890, 13170, 14487, 14520, 15804, 17560, 19316, 19755, 21780, 24145, 26340, 28974, 31608, 38632, 39510, 43461, 43560, 48290, 52680, 53119, 57948, 72435, 79020, 86922, 96580, 106238, 115896, 144870, 158040, 159357, 173844, 193160, 212476, 217305, 265595, 289740, 318714, 347688, 424952, 434610, 478071, 531190, 579480, 637428, 796785, 869220, 956142, 1062380, 1274856, 1593570, 1738440, 1912284, 2124760, 2390355, 3187140, 3824568, 4780710, 6374280, 9561420, 19122840]

約数ペア:

[(1, 19122840), (2, 9561420), (3, 6374280), (4, 4780710), (5, 3824568), (6, 3187140), (8, 2390355), (9, 2124760), (10, 1912284), (11, 1738440), (12, 1593570), (15, 1274856), (18, 1062380), (20, 956142), (22, 869220), (24, 796785), (30, 637428), (33, 579480), (36, 531190), (40, 478071), (44, 434610), (45, 424952), (55, 347688), (60, 318714), (66, 289740), (72, 265595), (88, 217305), (90, 212476), (99, 193160), (110, 173844), (120, 159357), (121, 158040), (132, 144870), (165, 115896), (180, 106238), (198, 96580), (220, 86922), (242, 79020), (264, 72435), (330, 57948), (360, 53119), (363, 52680), (396, 48290), (439, 43560), (440, 43461), (484, 39510), (495, 38632), (605, 31608), (660, 28974), (726, 26340), (792, 24145), (878, 21780), (968, 19755), (990, 19316), (1089, 17560), (1210, 15804), (1317, 14520), (1320, 14487), (1452, 13170), (1756, 10890), (1815, 10536), (1980, 9658), (2178, 8780), (2195, 8712), (2420, 7902), (2634, 7260), (2904, 6585), (3512, 5445), (3630, 5268), (3951, 4840), (3960, 4829), (4356, 4390)]