18213454

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9931}}^1$

素因数の和:10071

約数の個数: 16

約数和(自身を含む): 31464576

約数和(自身を除く): 13251122

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 9931, 19862, 69517, 139034, 1300961, 2601922, 9106727, 18213454]

約数ペア:

[(1, 18213454), (2, 9106727), (7, 2601922), (14, 1300961), (131, 139034), (262, 69517), (917, 19862), (1834, 9931)]