18718492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4337}}^1$

素因数の和:4437

約数の個数: 24

約数和(自身を含む): 35710416

約数和(自身を除く): 16991924

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4337, 8674, 17348, 56381, 112762, 225524, 359971, 719942, 1439884, 4679623, 9359246, 18718492]

約数ペア:

[(1, 18718492), (2, 9359246), (4, 4679623), (13, 1439884), (26, 719942), (52, 359971), (83, 225524), (166, 112762), (332, 56381), (1079, 17348), (2158, 8674), (4316, 4337)]