1867820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 3989328

約数和(自身を除く): 2121508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1531, 3062, 6124, 7655, 15310, 30620, 93391, 186782, 373564, 466955, 933910, 1867820]

約数ペア:

[(1, 1867820), (2, 933910), (4, 466955), (5, 373564), (10, 186782), (20, 93391), (61, 30620), (122, 15310), (244, 7655), (305, 6124), (610, 3062), (1220, 1531)]