19752655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{743}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 25623360

約数和(自身を除く): 5870705

約数列:

[1, 5, 13, 65, 409, 743, 2045, 3715, 5317, 9659, 26585, 48295, 303887, 1519435, 3950531, 19752655]

約数ペア:

[(1, 19752655), (5, 3950531), (13, 1519435), (65, 303887), (409, 48295), (743, 26585), (2045, 9659), (3715, 5317)]