18481970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142169}}^1$

素因数の和:142189

約数の個数: 16

約数和(自身を含む): 35826840

約数和(自身を除く): 17344870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 142169, 284338, 710845, 1421690, 1848197, 3696394, 9240985, 18481970]

約数ペア:

[(1, 18481970), (2, 9240985), (5, 3696394), (10, 1848197), (13, 1421690), (26, 710845), (65, 284338), (130, 142169)]