18789414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 44914176

約数和(自身を除く): 26124762

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 107, 111, 113, 214, 222, 226, 259, 321, 339, 518, 642, 678, 749, 777, 791, 1498, 1554, 1582, 2247, 2373, 3959, 4181, 4494, 4746, 7918, 8362, 11877, 12091, 12543, 23754, 24182, 25086, 27713, 29267, 36273, 55426, 58534, 72546, 83139, 84637, 87801, 166278, 169274, 175602, 253911, 447367, 507822, 894734, 1342101, 2684202, 3131569, 6263138, 9394707, 18789414]

約数ペア:

[(1, 18789414), (2, 9394707), (3, 6263138), (6, 3131569), (7, 2684202), (14, 1342101), (21, 894734), (37, 507822), (42, 447367), (74, 253911), (107, 175602), (111, 169274), (113, 166278), (214, 87801), (222, 84637), (226, 83139), (259, 72546), (321, 58534), (339, 55426), (518, 36273), (642, 29267), (678, 27713), (749, 25086), (777, 24182), (791, 23754), (1498, 12543), (1554, 12091), (1582, 11877), (2247, 8362), (2373, 7918), (3959, 4746), (4181, 4494)]