19187355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 33845760

約数和(自身を除く): 14658405

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 309, 515, 1129, 1133, 1545, 3387, 3399, 5645, 5665, 12419, 16935, 16995, 37257, 62095, 116287, 186285, 348861, 581435, 1279157, 1744305, 3837471, 6395785, 19187355]

約数ペア:

[(1, 19187355), (3, 6395785), (5, 3837471), (11, 1744305), (15, 1279157), (33, 581435), (55, 348861), (103, 186285), (165, 116287), (309, 62095), (515, 37257), (1129, 16995), (1133, 16935), (1545, 12419), (3387, 5665), (3399, 5645)]