19952636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4013}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 38438064

約数和(自身を除く): 18485428

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4013, 4972, 8026, 16052, 44143, 88286, 176572, 453469, 906938, 1813876, 4988159, 9976318, 19952636]

約数ペア:

[(1, 19952636), (2, 9976318), (4, 4988159), (11, 1813876), (22, 906938), (44, 453469), (113, 176572), (226, 88286), (452, 44143), (1243, 16052), (2486, 8026), (4013, 4972)]