18186280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64951}}^1$

素因数の和:64969

約数の個数: 32

約数和(自身を含む): 46765440

約数和(自身を除く): 28579160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64951, 129902, 259804, 324755, 454657, 519608, 649510, 909314, 1299020, 1818628, 2273285, 2598040, 3637256, 4546570, 9093140, 18186280]

約数ペア:

[(1, 18186280), (2, 9093140), (4, 4546570), (5, 3637256), (7, 2598040), (8, 2273285), (10, 1818628), (14, 1299020), (20, 909314), (28, 649510), (35, 519608), (40, 454657), (56, 324755), (70, 259804), (140, 129902), (280, 64951)]