18538858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5443}}^1$

素因数の和:5589

約数の個数: 16

約数和(自身を含む): 30181536

約数和(自身を除く): 11642678

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 5443, 10886, 70759, 141518, 713033, 1426066, 9269429, 18538858]

約数ペア:

[(1, 18538858), (2, 9269429), (13, 1426066), (26, 713033), (131, 141518), (262, 70759), (1703, 10886), (3406, 5443)]