20150222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1181}}^1$

素因数の和:1651

約数の個数: 16

約数和(自身を含む): 31914000

約数和(自身を除く): 11763778

約数列:

[1, 2, 19, 38, 449, 898, 1181, 2362, 8531, 17062, 22439, 44878, 530269, 1060538, 10075111, 20150222]

約数ペア:

[(1, 20150222), (2, 10075111), (19, 1060538), (38, 530269), (449, 44878), (898, 22439), (1181, 17062), (2362, 8531)]