18544930

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 15824990

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 311, 335, 445, 622, 670, 890, 1555, 3110, 5963, 11926, 20837, 27679, 29815, 41674, 55358, 59630, 104185, 138395, 208370, 276790, 1854493, 3708986, 9272465, 18544930]

約数ペア:

[(1, 18544930), (2, 9272465), (5, 3708986), (10, 1854493), (67, 276790), (89, 208370), (134, 138395), (178, 104185), (311, 59630), (335, 55358), (445, 41674), (622, 29815), (670, 27679), (890, 20837), (1555, 11926), (3110, 5963)]