18515770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20347}}^1$

素因数の和:20374

約数の個数: 32

約数和(自身を含む): 41021568

約数和(自身を除く): 22505798

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20347, 40694, 101735, 142429, 203470, 264511, 284858, 529022, 712145, 1322555, 1424290, 1851577, 2645110, 3703154, 9257885, 18515770]

約数ペア:

[(1, 18515770), (2, 9257885), (5, 3703154), (7, 2645110), (10, 1851577), (13, 1424290), (14, 1322555), (26, 712145), (35, 529022), (65, 284858), (70, 264511), (91, 203470), (130, 142429), (182, 101735), (455, 40694), (910, 20347)]