18149901

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78571}}^1$

素因数の和:78592

約数の個数: 16

約数和(自身を含む): 30171648

約数和(自身を除く): 12021747

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 78571, 235713, 549997, 864281, 1649991, 2592843, 6049967, 18149901]

約数ペア:

[(1, 18149901), (3, 6049967), (7, 2592843), (11, 1649991), (21, 864281), (33, 549997), (77, 235713), (231, 78571)]