19977612

素因数分解:

$2^2\times 3^1\times {\mathrm{1664801}}^1$

素因数の和:1664808

約数の個数: 12

約数和(自身を含む): 46614456

約数和(自身を除く): 26636844

約数列:

[1, 2, 3, 4, 6, 12, 1664801, 3329602, 4994403, 6659204, 9988806, 19977612]

約数ペア:

[(1, 19977612), (2, 9988806), (3, 6659204), (4, 4994403), (6, 3329602), (12, 1664801)]