19168708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{821}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 36250200

約数和(自身を除く): 17081492

約数列:

[1, 2, 4, 13, 26, 52, 449, 821, 898, 1642, 1796, 3284, 5837, 10673, 11674, 21346, 23348, 42692, 368629, 737258, 1474516, 4792177, 9584354, 19168708]

約数ペア:

[(1, 19168708), (2, 9584354), (4, 4792177), (13, 1474516), (26, 737258), (52, 368629), (449, 42692), (821, 23348), (898, 21346), (1642, 11674), (1796, 10673), (3284, 5837)]