18399185

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 8661295

約数列:

[1, 5, 7, 17, 35, 85, 107, 119, 289, 535, 595, 749, 1445, 1819, 2023, 3745, 4913, 9095, 10115, 12733, 24565, 30923, 34391, 63665, 154615, 171955, 216461, 525691, 1082305, 2628455, 3679837, 18399185]

約数ペア:

[(1, 18399185), (5, 3679837), (7, 2628455), (17, 1082305), (35, 525691), (85, 216461), (107, 171955), (119, 154615), (289, 63665), (535, 34391), (595, 30923), (749, 24565), (1445, 12733), (1819, 10115), (2023, 9095), (3745, 4913)]