18642988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51217}}^1$

素因数の和:51241

約数の個数: 24

約数和(自身を含む): 40154912

約数和(自身を除く): 21511924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51217, 102434, 204868, 358519, 665821, 717038, 1331642, 1434076, 2663284, 4660747, 9321494, 18642988]

約数ペア:

[(1, 18642988), (2, 9321494), (4, 4660747), (7, 2663284), (13, 1434076), (14, 1331642), (26, 717038), (28, 665821), (52, 358519), (91, 204868), (182, 102434), (364, 51217)]