19967203792

素因数分解:

$2^4\times {\mathrm{1031}}^1\times {\mathrm{1210427}}^1$

素因数の和:1211466

約数の個数: 20

約数和(自身を含む): 38724012576

約数和(自身を除く): 18756808784

約数列:

[1, 2, 4, 8, 16, 1031, 2062, 4124, 8248, 16496, 1210427, 2420854, 4841708, 9683416, 19366832, 1247950237, 2495900474, 4991800948, 9983601896, 19967203792]

約数ペア:

[(1, 19967203792), (2, 9983601896), (4, 4991800948), (8, 2495900474), (16, 1247950237), (1031, 19366832), (2062, 9683416), (4124, 4841708), (8248, 2420854), (16496, 1210427)]