18959556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 59415552

約数和(自身を除く): 40455996

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 51, 66, 68, 71, 77, 84, 102, 119, 132, 142, 154, 187, 204, 213, 231, 238, 284, 289, 308, 357, 374, 426, 462, 476, 497, 561, 578, 714, 748, 781, 852, 867, 924, 994, 1122, 1156, 1207, 1309, 1428, 1491, 1562, 1734, 1988, 2023, 2244, 2343, 2414, 2618, 2982, 3124, 3179, 3468, 3621, 3927, 4046, 4686, 4828, 5236, 5467, 5964, 6069, 6358, 7242, 7854, 8092, 8449, 9372, 9537, 10934, 12138, 12716, 13277, 14484, 15708, 16401, 16898, 19074, 20519, 21868, 22253, 24276, 25347, 26554, 32802, 33796, 38148, 39831, 41038, 44506, 50694, 53108, 61557, 65604, 66759, 79662, 82076, 89012, 92939, 101388, 123114, 133518, 143633, 159324, 185878, 225709, 246228, 267036, 278817, 287266, 371756, 430899, 451418, 557634, 574532, 677127, 861798, 902836, 1115268, 1354254, 1579963, 1723596, 2708508, 3159926, 4739889, 6319852, 9479778, 18959556]

約数ペア:

[(1, 18959556), (2, 9479778), (3, 6319852), (4, 4739889), (6, 3159926), (7, 2708508), (11, 1723596), (12, 1579963), (14, 1354254), (17, 1115268), (21, 902836), (22, 861798), (28, 677127), (33, 574532), (34, 557634), (42, 451418), (44, 430899), (51, 371756), (66, 287266), (68, 278817), (71, 267036), (77, 246228), (84, 225709), (102, 185878), (119, 159324), (132, 143633), (142, 133518), (154, 123114), (187, 101388), (204, 92939), (213, 89012), (231, 82076), (238, 79662), (284, 66759), (289, 65604), (308, 61557), (357, 53108), (374, 50694), (426, 44506), (462, 41038), (476, 39831), (497, 38148), (561, 33796), (578, 32802), (714, 26554), (748, 25347), (781, 24276), (852, 22253), (867, 21868), (924, 20519), (994, 19074), (1122, 16898), (1156, 16401), (1207, 15708), (1309, 14484), (1428, 13277), (1491, 12716), (1562, 12138), (1734, 10934), (1988, 9537), (2023, 9372), (2244, 8449), (2343, 8092), (2414, 7854), (2618, 7242), (2982, 6358), (3124, 6069), (3179, 5964), (3468, 5467), (3621, 5236), (3927, 4828), (4046, 4686)]