18767528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 38143560

約数和(自身を除く): 19376032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 997, 1448, 1994, 2353, 3988, 4706, 7976, 9412, 12961, 18824, 25922, 51844, 103688, 180457, 360914, 721828, 1443656, 2345941, 4691882, 9383764, 18767528]

約数ペア:

[(1, 18767528), (2, 9383764), (4, 4691882), (8, 2345941), (13, 1443656), (26, 721828), (52, 360914), (104, 180457), (181, 103688), (362, 51844), (724, 25922), (997, 18824), (1448, 12961), (1994, 9412), (2353, 7976), (3988, 4706)]