19404568

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 17891432

約数列:

[1, 2, 4, 8, 73, 146, 149, 223, 292, 298, 446, 584, 596, 892, 1192, 1784, 10877, 16279, 21754, 32558, 33227, 43508, 65116, 66454, 87016, 130232, 132908, 265816, 2425571, 4851142, 9702284, 19404568]

約数ペア:

[(1, 19404568), (2, 9702284), (4, 4851142), (8, 2425571), (73, 265816), (146, 132908), (149, 130232), (223, 87016), (292, 66454), (298, 65116), (446, 43508), (584, 33227), (596, 32558), (892, 21754), (1192, 16279), (1784, 10877)]