18404464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4657}}^1$

素因数の和:4697

約数の個数: 40

約数和(自身を含む): 40431440

約数和(自身を除く): 22026976

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4657, 9314, 18628, 37256, 60541, 74512, 88483, 121082, 176966, 242164, 353932, 484328, 707864, 968656, 1150279, 1415728, 2300558, 4601116, 9202232, 18404464]

約数ペア:

[(1, 18404464), (2, 9202232), (4, 4601116), (8, 2300558), (13, 1415728), (16, 1150279), (19, 968656), (26, 707864), (38, 484328), (52, 353932), (76, 242164), (104, 176966), (152, 121082), (208, 88483), (247, 74512), (304, 60541), (494, 37256), (988, 18628), (1976, 9314), (3952, 4657)]