19959990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2351}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 48093696

約数和(自身を除く): 28133706

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 283, 566, 849, 1415, 1698, 2351, 2830, 4245, 4702, 7053, 8490, 11755, 14106, 23510, 35265, 70530, 665333, 1330666, 1995999, 3326665, 3991998, 6653330, 9979995, 19959990]

約数ペア:

[(1, 19959990), (2, 9979995), (3, 6653330), (5, 3991998), (6, 3326665), (10, 1995999), (15, 1330666), (30, 665333), (283, 70530), (566, 35265), (849, 23510), (1415, 14106), (1698, 11755), (2351, 8490), (2830, 7053), (4245, 4702)]