18974001826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1\times {\mathrm{438827}}^1$

素因数の和:440505

約数の個数: 16

約数和(自身を含む): 30668811264

約数和(自身を除く): 11694809438

約数列:

[1, 2, 13, 26, 1663, 3326, 21619, 43238, 438827, 877654, 5704751, 11409502, 729769301, 1459538602, 9487000913, 18974001826]

約数ペア:

[(1, 18974001826), (2, 9487000913), (13, 1459538602), (26, 729769301), (1663, 11409502), (3326, 5704751), (21619, 877654), (43238, 438827)]