1980513198

素因数分解:

$2^1\times 3^2\times {\mathrm{110028511}}^1$

素因数の和:110028519

約数の個数: 12

約数和(自身を含む): 4291111968

約数和(自身を除く): 2310598770

約数列:

[1, 2, 3, 6, 9, 18, 110028511, 220057022, 330085533, 660171066, 990256599, 1980513198]

約数ペア:

[(1, 1980513198), (2, 990256599), (3, 660171066), (6, 330085533), (9, 220057022), (18, 110028511)]