18065679

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 26053248

約数和(自身を除く): 7987569

約数列:

[1, 3, 17, 51, 67, 201, 289, 311, 867, 933, 1139, 3417, 5287, 15861, 19363, 20837, 58089, 62511, 89879, 269637, 354229, 1062687, 6021893, 18065679]

約数ペア:

[(1, 18065679), (3, 6021893), (17, 1062687), (51, 354229), (67, 269637), (201, 89879), (289, 62511), (311, 58089), (867, 20837), (933, 19363), (1139, 15861), (3417, 5287)]