19464185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4909}}^1$

素因数の和:4988

約数の個数: 16

約数和(自身を含む): 25571280

約数和(自身を除く): 6107095

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4909, 24545, 63817, 299449, 319085, 1497245, 3892837, 19464185]

約数ペア:

[(1, 19464185), (5, 3892837), (13, 1497245), (61, 319085), (65, 299449), (305, 63817), (793, 24545), (3965, 4909)]