18887406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3920

約数の個数: 32

約数和(自身を含む): 40698240

約数和(自身を除く): 21810834

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 3853, 4902, 7706, 11559, 23118, 73207, 146414, 165679, 219621, 331358, 439242, 497037, 994074, 3147901, 6295802, 9443703, 18887406]

約数ペア:

[(1, 18887406), (2, 9443703), (3, 6295802), (6, 3147901), (19, 994074), (38, 497037), (43, 439242), (57, 331358), (86, 219621), (114, 165679), (129, 146414), (258, 73207), (817, 23118), (1634, 11559), (2451, 7706), (3853, 4902)]