19663994

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1231}}^1$

素因数の和:1410

約数の個数: 24

約数和(自身を含む): 34550208

約数和(自身を除く): 14886214

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1231, 2282, 2462, 7987, 8617, 15974, 17234, 60319, 120638, 200653, 401306, 1404571, 2809142, 9831997, 19663994]

約数ペア:

[(1, 19663994), (2, 9831997), (7, 2809142), (14, 1404571), (49, 401306), (98, 200653), (163, 120638), (326, 60319), (1141, 17234), (1231, 15974), (2282, 8617), (2462, 7987)]