15559664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{23719}}^1$

素因数の和:23768

約数の個数: 20

約数和(自身を含む): 30883440

約数和(自身を除く): 15323776

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 23719, 47438, 94876, 189752, 379504, 972479, 1944958, 3889916, 7779832, 15559664]

約数ペア:

[(1, 15559664), (2, 7779832), (4, 3889916), (8, 1944958), (16, 972479), (41, 379504), (82, 189752), (164, 94876), (328, 47438), (656, 23719)]