19440395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4903}}^1$

素因数の和:4982

約数の個数: 16

約数和(自身を含む): 25540032

約数和(自身を除く): 6099637

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4903, 24515, 63739, 299083, 318695, 1495415, 3888079, 19440395]

約数ペア:

[(1, 19440395), (5, 3888079), (13, 1495415), (61, 318695), (65, 299083), (305, 63739), (793, 24515), (3965, 4903)]