18613621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 20991600

約数和(自身を除く): 2377979

約数列:

[1, 13, 29, 97, 377, 509, 1261, 2813, 6617, 14761, 36569, 49373, 191893, 641849, 1431817, 18613621]

約数ペア:

[(1, 18613621), (13, 1431817), (29, 641849), (97, 191893), (377, 49373), (509, 36569), (1261, 14761), (2813, 6617)]