18738317

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 20939520

約数和(自身を除く): 2201203

約数列:

[1, 13, 37, 163, 239, 481, 2119, 3107, 6031, 8843, 38957, 78403, 114959, 506441, 1441409, 18738317]

約数ペア:

[(1, 18738317), (13, 1441409), (37, 506441), (163, 114959), (239, 78403), (481, 38957), (2119, 8843), (3107, 6031)]