18850645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3851}}^1$

素因数の和:3956

約数の個数: 16

約数和(自身を含む): 24960960

約数和(自身を除く): 6110315

約数列:

[1, 5, 11, 55, 89, 445, 979, 3851, 4895, 19255, 42361, 211805, 342739, 1713695, 3770129, 18850645]

約数ペア:

[(1, 18850645), (5, 3770129), (11, 1713695), (55, 342739), (89, 211805), (445, 42361), (979, 19255), (3851, 4895)]