18088850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1679

約数の個数: 48

約数和(自身を含む): 38388168

約数和(自身を除く): 20299318

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1637, 2210, 3274, 5525, 8185, 11050, 16370, 21281, 27829, 40925, 42562, 55658, 81850, 106405, 139145, 212810, 278290, 361777, 532025, 695725, 723554, 1064050, 1391450, 1808885, 3617770, 9044425, 18088850]

約数ペア:

[(1, 18088850), (2, 9044425), (5, 3617770), (10, 1808885), (13, 1391450), (17, 1064050), (25, 723554), (26, 695725), (34, 532025), (50, 361777), (65, 278290), (85, 212810), (130, 139145), (170, 106405), (221, 81850), (325, 55658), (425, 42562), (442, 40925), (650, 27829), (850, 21281), (1105, 16370), (1637, 11050), (2210, 8185), (3274, 5525)]