18825872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3171

約数の個数: 40

約数和(自身を含む): 40648440

約数和(自身を除く): 21822568

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3121, 6032, 6242, 12484, 24968, 40573, 49936, 81146, 90509, 162292, 181018, 324584, 362036, 649168, 724072, 1176617, 1448144, 2353234, 4706468, 9412936, 18825872]

約数ペア:

[(1, 18825872), (2, 9412936), (4, 4706468), (8, 2353234), (13, 1448144), (16, 1176617), (26, 724072), (29, 649168), (52, 362036), (58, 324584), (104, 181018), (116, 162292), (208, 90509), (232, 81146), (377, 49936), (464, 40573), (754, 24968), (1508, 12484), (3016, 6242), (3121, 6032)]