19724818078

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61257199}}^1$

素因数の和:61257231

約数の個数: 16

約数和(自身を含む): 35284147200

約数和(自身を除く): 15559329122

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61257199, 122514398, 428800393, 857600786, 1408915577, 2817831154, 9862409039, 19724818078]

約数ペア:

[(1, 19724818078), (2, 9862409039), (7, 2817831154), (14, 1408915577), (23, 857600786), (46, 428800393), (161, 122514398), (322, 61257199)]