19581263

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 22480416

約数和(自身を除く): 2899153

約数列:

[1, 13, 17, 221, 251, 353, 3263, 4267, 4589, 6001, 55471, 78013, 88603, 1151839, 1506251, 19581263]

約数ペア:

[(1, 19581263), (13, 1506251), (17, 1151839), (221, 88603), (251, 78013), (353, 55471), (3263, 6001), (4267, 4589)]