19165420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13127}}^1$

素因数の和:13209

約数の個数: 24

約数和(自身を含む): 40801824

約数和(自身を除く): 21636404

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13127, 26254, 52508, 65635, 131270, 262540, 958271, 1916542, 3833084, 4791355, 9582710, 19165420]

約数ペア:

[(1, 19165420), (2, 9582710), (4, 4791355), (5, 3833084), (10, 1916542), (20, 958271), (73, 262540), (146, 131270), (292, 65635), (365, 52508), (730, 26254), (1460, 13127)]