19635005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{661}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 25468464

約数和(自身を除く): 5833459

約数列:

[1, 5, 13, 65, 457, 661, 2285, 3305, 5941, 8593, 29705, 42965, 302077, 1510385, 3927001, 19635005]

約数ペア:

[(1, 19635005), (5, 3927001), (13, 1510385), (65, 302077), (457, 42965), (661, 29705), (2285, 8593), (3305, 5941)]