19769640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 68584320

約数和(自身を除く): 48814680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 881, 935, 1020, 1122, 1320, 1496, 1762, 1870, 2040, 2244, 2643, 2805, 3524, 3740, 4405, 4488, 5286, 5610, 7048, 7480, 8810, 9691, 10572, 11220, 13215, 14977, 17620, 19382, 21144, 22440, 26430, 29073, 29954, 35240, 38764, 44931, 48455, 52860, 58146, 59908, 74885, 77528, 89862, 96910, 105720, 116292, 119816, 145365, 149770, 164747, 179724, 193820, 224655, 232584, 290730, 299540, 329494, 359448, 387640, 449310, 494241, 581460, 599080, 658988, 823735, 898620, 988482, 1162920, 1317976, 1647470, 1797240, 1976964, 2471205, 3294940, 3953928, 4942410, 6589880, 9884820, 19769640]

約数ペア:

[(1, 19769640), (2, 9884820), (3, 6589880), (4, 4942410), (5, 3953928), (6, 3294940), (8, 2471205), (10, 1976964), (11, 1797240), (12, 1647470), (15, 1317976), (17, 1162920), (20, 988482), (22, 898620), (24, 823735), (30, 658988), (33, 599080), (34, 581460), (40, 494241), (44, 449310), (51, 387640), (55, 359448), (60, 329494), (66, 299540), (68, 290730), (85, 232584), (88, 224655), (102, 193820), (110, 179724), (120, 164747), (132, 149770), (136, 145365), (165, 119816), (170, 116292), (187, 105720), (204, 96910), (220, 89862), (255, 77528), (264, 74885), (330, 59908), (340, 58146), (374, 52860), (408, 48455), (440, 44931), (510, 38764), (561, 35240), (660, 29954), (680, 29073), (748, 26430), (881, 22440), (935, 21144), (1020, 19382), (1122, 17620), (1320, 14977), (1496, 13215), (1762, 11220), (1870, 10572), (2040, 9691), (2244, 8810), (2643, 7480), (2805, 7048), (3524, 5610), (3740, 5286), (4405, 4488)]