18315830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140891}}^1$

素因数の和:140911

約数の個数: 16

約数和(自身を含む): 35504784

約数和(自身を除く): 17188954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 140891, 281782, 704455, 1408910, 1831583, 3663166, 9157915, 18315830]

約数ペア:

[(1, 18315830), (2, 9157915), (5, 3663166), (10, 1831583), (13, 1408910), (26, 704455), (65, 281782), (130, 140891)]