18789888

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:975

約数の個数: 80

約数和(自身を含む): 53965296

約数和(自身を除く): 35175408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 941, 1248, 1536, 1664, 1882, 2496, 2823, 3328, 3764, 4992, 5646, 6656, 7528, 9984, 11292, 12233, 15056, 19968, 22584, 24466, 30112, 36699, 45168, 48932, 60224, 73398, 90336, 97864, 120448, 146796, 180672, 195728, 240896, 293592, 361344, 391456, 481792, 587184, 722688, 782912, 1174368, 1445376, 1565824, 2348736, 3131648, 4697472, 6263296, 9394944, 18789888]

約数ペア:

[(1, 18789888), (2, 9394944), (3, 6263296), (4, 4697472), (6, 3131648), (8, 2348736), (12, 1565824), (13, 1445376), (16, 1174368), (24, 782912), (26, 722688), (32, 587184), (39, 481792), (48, 391456), (52, 361344), (64, 293592), (78, 240896), (96, 195728), (104, 180672), (128, 146796), (156, 120448), (192, 97864), (208, 90336), (256, 73398), (312, 60224), (384, 48932), (416, 45168), (512, 36699), (624, 30112), (768, 24466), (832, 22584), (941, 19968), (1248, 15056), (1536, 12233), (1664, 11292), (1882, 9984), (2496, 7528), (2823, 6656), (3328, 5646), (3764, 4992)]