19817060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31963}}^1$

素因数の和:32003

約数の個数: 24

約数和(自身を含む): 42959616

約数和(自身を除く): 23142556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31963, 63926, 127852, 159815, 319630, 639260, 990853, 1981706, 3963412, 4954265, 9908530, 19817060]

約数ペア:

[(1, 19817060), (2, 9908530), (4, 4954265), (5, 3963412), (10, 1981706), (20, 990853), (31, 639260), (62, 319630), (124, 159815), (155, 127852), (310, 63926), (620, 31963)]