15996188

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23663}}^1$

素因数の和:23693

約数の個数: 18

約数和(自身を含む): 30313584

約数和(自身を除く): 14317396

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 23663, 47326, 94652, 307619, 615238, 1230476, 3999047, 7998094, 15996188]

約数ペア:

[(1, 15996188), (2, 7998094), (4, 3999047), (13, 1230476), (26, 615238), (52, 307619), (169, 94652), (338, 47326), (676, 23663)]