18402620

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1531}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 38735088

約数和(自身を除く): 20332468

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 1531, 2404, 3005, 3062, 6010, 6124, 7655, 12020, 15310, 30620, 920131, 1840262, 3680524, 4600655, 9201310, 18402620]

約数ペア:

[(1, 18402620), (2, 9201310), (4, 4600655), (5, 3680524), (10, 1840262), (20, 920131), (601, 30620), (1202, 15310), (1531, 12020), (2404, 7655), (3005, 6124), (3062, 6010)]