17950960

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 41912496

約数和(自身を除く): 23961536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 491, 914, 982, 1828, 1964, 2285, 2455, 3656, 3928, 4570, 4910, 7312, 7856, 9140, 9820, 18280, 19640, 36560, 39280, 224387, 448774, 897548, 1121935, 1795096, 2243870, 3590192, 4487740, 8975480, 17950960]

約数ペア:

[(1, 17950960), (2, 8975480), (4, 4487740), (5, 3590192), (8, 2243870), (10, 1795096), (16, 1121935), (20, 897548), (40, 448774), (80, 224387), (457, 39280), (491, 36560), (914, 19640), (982, 18280), (1828, 9820), (1964, 9140), (2285, 7856), (2455, 7312), (3656, 4910), (3928, 4570)]