19881678

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 21092658

約数列:

[1, 2, 3, 6, 53, 103, 106, 159, 206, 309, 318, 607, 618, 1214, 1821, 3642, 5459, 10918, 16377, 32171, 32754, 62521, 64342, 96513, 125042, 187563, 193026, 375126, 3313613, 6627226, 9940839, 19881678]

約数ペア:

[(1, 19881678), (2, 9940839), (3, 6627226), (6, 3313613), (53, 375126), (103, 193026), (106, 187563), (159, 125042), (206, 96513), (309, 64342), (318, 62521), (607, 32754), (618, 32171), (1214, 16377), (1821, 10918), (3642, 5459)]