18740906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7687}}^1$

素因数の和:7765

約数の個数: 16

約数和(自身を含む): 29890944

約数和(自身を除く): 11150038

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 7687, 15374, 176801, 353602, 407411, 814822, 9370453, 18740906]

約数ペア:

[(1, 18740906), (2, 9370453), (23, 814822), (46, 407411), (53, 353602), (106, 176801), (1219, 15374), (2438, 7687)]