18894265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15299}}^1$

素因数の和:15336

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 6809735

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15299, 76495, 198887, 290681, 994435, 1453405, 3778853, 18894265]

約数ペア:

[(1, 18894265), (5, 3778853), (13, 1453405), (19, 994435), (65, 290681), (95, 198887), (247, 76495), (1235, 15299)]