18940440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157837}}^1$

素因数の和:157851

約数の個数: 32

約数和(自身を含む): 56821680

約数和(自身を除く): 37881240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157837, 315674, 473511, 631348, 789185, 947022, 1262696, 1578370, 1894044, 2367555, 3156740, 3788088, 4735110, 6313480, 9470220, 18940440]

約数ペア:

[(1, 18940440), (2, 9470220), (3, 6313480), (4, 4735110), (5, 3788088), (6, 3156740), (8, 2367555), (10, 1894044), (12, 1578370), (15, 1262696), (20, 947022), (24, 789185), (30, 631348), (40, 473511), (60, 315674), (120, 157837)]