19193480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11159}}^1$

素因数の和:11213

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 25000120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11159, 22318, 44636, 55795, 89272, 111590, 223180, 446360, 479837, 959674, 1919348, 2399185, 3838696, 4798370, 9596740, 19193480]

約数ペア:

[(1, 19193480), (2, 9596740), (4, 4798370), (5, 3838696), (8, 2399185), (10, 1919348), (20, 959674), (40, 479837), (43, 446360), (86, 223180), (172, 111590), (215, 89272), (344, 55795), (430, 44636), (860, 22318), (1720, 11159)]