19658860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75611}}^1$

素因数の和:75633

約数の個数: 24

約数和(自身を含む): 44459856

約数和(自身を除く): 24800996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75611, 151222, 302444, 378055, 756110, 982943, 1512220, 1965886, 3931772, 4914715, 9829430, 19658860]

約数ペア:

[(1, 19658860), (2, 9829430), (4, 4914715), (5, 3931772), (10, 1965886), (13, 1512220), (20, 982943), (26, 756110), (52, 378055), (65, 302444), (130, 151222), (260, 75611)]