18735838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23017}}^1$

素因数の和:23067

約数の個数: 16

約数和(自身を含む): 31488624

約数和(自身を除く): 12752786

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23017, 46034, 253187, 506374, 851629, 1703258, 9367919, 18735838]

約数ペア:

[(1, 18735838), (2, 9367919), (11, 1703258), (22, 851629), (37, 506374), (74, 253187), (407, 46034), (814, 23017)]