18661728

素因数分解:

$2^5\times 3^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 49215600

約数和(自身を除く): 30553872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 349, 557, 698, 1047, 1114, 1396, 1671, 2094, 2228, 2792, 3342, 4188, 4456, 5584, 6684, 8376, 8912, 11168, 13368, 16752, 17824, 26736, 33504, 53472, 194393, 388786, 583179, 777572, 1166358, 1555144, 2332716, 3110288, 4665432, 6220576, 9330864, 18661728]

約数ペア:

[(1, 18661728), (2, 9330864), (3, 6220576), (4, 4665432), (6, 3110288), (8, 2332716), (12, 1555144), (16, 1166358), (24, 777572), (32, 583179), (48, 388786), (96, 194393), (349, 53472), (557, 33504), (698, 26736), (1047, 17824), (1114, 16752), (1396, 13368), (1671, 11168), (2094, 8912), (2228, 8376), (2792, 6684), (3342, 5584), (4188, 4456)]