18989854

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3004

約数の個数: 24

約数和(自身を含む): 32478840

約数和(自身を除く): 13488986

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 2957, 3211, 5914, 6422, 38441, 56183, 76882, 112366, 499733, 730379, 999466, 1460758, 9494927, 18989854]

約数ペア:

[(1, 18989854), (2, 9494927), (13, 1460758), (19, 999466), (26, 730379), (38, 499733), (169, 112366), (247, 76882), (338, 56183), (494, 38441), (2957, 6422), (3211, 5914)]