17903980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12263}}^1$

素因数の和:12345

約数の個数: 24

約数和(自身を含む): 38116512

約数和(自身を除く): 20212532

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12263, 24526, 49052, 61315, 122630, 245260, 895199, 1790398, 3580796, 4475995, 8951990, 17903980]

約数ペア:

[(1, 17903980), (2, 8951990), (4, 4475995), (5, 3580796), (10, 1790398), (20, 895199), (73, 245260), (146, 122630), (292, 61315), (365, 49052), (730, 24526), (1460, 12263)]