18518990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4337}}^1$

素因数の和:4412

約数の個数: 32

約数和(自身を含む): 38729664

約数和(自身を除く): 20210674

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4337, 8674, 21685, 30359, 43370, 60718, 151795, 264557, 303590, 529114, 1322785, 1851899, 2645570, 3703798, 9259495, 18518990]

約数ペア:

[(1, 18518990), (2, 9259495), (5, 3703798), (7, 2645570), (10, 1851899), (14, 1322785), (35, 529114), (61, 303590), (70, 264557), (122, 151795), (305, 60718), (427, 43370), (610, 30359), (854, 21685), (2135, 8674), (4270, 4337)]