20180879991

素因数分解:

$3^2\times {\mathrm{211}}^1\times {\mathrm{10627109}}^1$

素因数の和:10627326

約数の個数: 12

約数和(自身を含む): 29288315160

約数和(自身を除く): 9107435169

約数列:

[1, 3, 9, 211, 633, 1899, 10627109, 31881327, 95643981, 2242319999, 6726959997, 20180879991]

約数ペア:

[(1, 20180879991), (3, 6726959997), (9, 2242319999), (211, 95643981), (633, 31881327), (1899, 10627109)]