18968571

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 28217280

約数和(自身を除く): 9248709

約数列:

[1, 3, 9, 67, 83, 201, 249, 379, 603, 747, 1137, 3411, 5561, 16683, 25393, 31457, 50049, 76179, 94371, 228537, 283113, 2107619, 6322857, 18968571]

約数ペア:

[(1, 18968571), (3, 6322857), (9, 2107619), (67, 283113), (83, 228537), (201, 94371), (249, 76179), (379, 50049), (603, 31457), (747, 25393), (1137, 16683), (3411, 5561)]