18818527

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{911}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 4470305

約数列:

[1, 7, 13, 91, 227, 911, 1589, 2951, 6377, 11843, 20657, 82901, 206797, 1447579, 2688361, 18818527]

約数ペア:

[(1, 18818527), (7, 2688361), (13, 1447579), (91, 206797), (227, 82901), (911, 20657), (1589, 11843), (2951, 6377)]