19617722

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{401}}^2$

素因数の和:865

約数の個数: 12

約数和(自身を含む): 29983758

約数和(自身を除く): 10366036

約数列:

[1, 2, 61, 122, 401, 802, 24461, 48922, 160801, 321602, 9808861, 19617722]

約数ペア:

[(1, 19617722), (2, 9808861), (61, 321602), (122, 160801), (401, 48922), (802, 24461)]