19710395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3461}}^1$

素因数の和:3550

約数の個数: 16

約数和(自身を含む): 25424928

約数和(自身を除く): 5714533

約数列:

[1, 5, 17, 67, 85, 335, 1139, 3461, 5695, 17305, 58837, 231887, 294185, 1159435, 3942079, 19710395]

約数ペア:

[(1, 19710395), (5, 3942079), (17, 1159435), (67, 294185), (85, 231887), (335, 58837), (1139, 17305), (3461, 5695)]