18972208

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25229}}^1$

素因数の和:25284

約数の個数: 20

約数和(自身を含む): 37542240

約数和(自身を除く): 18570032

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25229, 50458, 100916, 201832, 403664, 1185763, 2371526, 4743052, 9486104, 18972208]

約数ペア:

[(1, 18972208), (2, 9486104), (4, 4743052), (8, 2371526), (16, 1185763), (47, 403664), (94, 201832), (188, 100916), (376, 50458), (752, 25229)]