19958530

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3163}}^1$

素因数の和:3801

約数の個数: 16

約数和(自身を含む): 35993664

約数和(自身を除く): 16035134

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 3163, 6310, 6326, 15815, 31630, 1995853, 3991706, 9979265, 19958530]

約数ペア:

[(1, 19958530), (2, 9979265), (5, 3991706), (10, 1995853), (631, 31630), (1262, 15815), (3155, 6326), (3163, 6310)]