18972176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28921}}^1$

素因数の和:28970

約数の個数: 20

約数和(自身を含む): 37656444

約数和(自身を除く): 18684268

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28921, 57842, 115684, 231368, 462736, 1185761, 2371522, 4743044, 9486088, 18972176]

約数ペア:

[(1, 18972176), (2, 9486088), (4, 4743044), (8, 2371522), (16, 1185761), (41, 462736), (82, 231368), (164, 115684), (328, 57842), (656, 28921)]