19601590

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3851}}^1$

素因数の和:4367

約数の個数: 16

約数和(自身を含む): 35361360

約数和(自身を除く): 15759770

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 3851, 5090, 7702, 19255, 38510, 1960159, 3920318, 9800795, 19601590]

約数ペア:

[(1, 19601590), (2, 9800795), (5, 3920318), (10, 1960159), (509, 38510), (1018, 19255), (2545, 7702), (3851, 5090)]