72209918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{172751}}^1$

素因数の和:172783

約数の個数: 16

約数和(自身を含む): 124381440

約数和(自身を除く): 52171522

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 172751, 345502, 1900261, 3282269, 3800522, 6564538, 36104959, 72209918]

約数ペア:

[(1, 72209918), (2, 36104959), (11, 6564538), (19, 3800522), (22, 3282269), (38, 1900261), (209, 345502), (418, 172751)]