18978316

素因数分解:

$2^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2909}}^1$

素因数の和:3153

約数の個数: 24

約数和(自身を含む): 38132640

約数和(自身を除く): 19154324

約数列:

[1, 2, 4, 7, 14, 28, 233, 466, 932, 1631, 2909, 3262, 5818, 6524, 11636, 20363, 40726, 81452, 677797, 1355594, 2711188, 4744579, 9489158, 18978316]

約数ペア:

[(1, 18978316), (2, 9489158), (4, 4744579), (7, 2711188), (14, 1355594), (28, 677797), (233, 81452), (466, 40726), (932, 20363), (1631, 11636), (2909, 6524), (3262, 5818)]