18318950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28183}}^1$

素因数の和:28208

約数の個数: 24

約数和(自身を含む): 36695568

約数和(自身を除く): 18376618

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28183, 56366, 140915, 281830, 366379, 704575, 732758, 1409150, 1831895, 3663790, 9159475, 18318950]

約数ペア:

[(1, 18318950), (2, 9159475), (5, 3663790), (10, 1831895), (13, 1409150), (25, 732758), (26, 704575), (50, 366379), (65, 281830), (130, 140915), (325, 56366), (650, 28183)]