19949518

素因数分解:

$2^1\times {\mathrm{53}}^3\times {\mathrm{67}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 30954960

約数和(自身を除く): 11005442

約数列:

[1, 2, 53, 67, 106, 134, 2809, 3551, 5618, 7102, 148877, 188203, 297754, 376406, 9974759, 19949518]

約数ペア:

[(1, 19949518), (2, 9974759), (53, 376406), (67, 297754), (106, 188203), (134, 148877), (2809, 7102), (3551, 5618)]