19559620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13397}}^1$

素因数の和:13479

約数の個数: 24

約数和(自身を含む): 41640984

約数和(自身を除く): 22081364

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13397, 26794, 53588, 66985, 133970, 267940, 977981, 1955962, 3911924, 4889905, 9779810, 19559620]

約数ペア:

[(1, 19559620), (2, 9779810), (4, 4889905), (5, 3911924), (10, 1955962), (20, 977981), (73, 267940), (146, 133970), (292, 66985), (365, 53588), (730, 26794), (1460, 13397)]