18390850

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{9941}}^1$

素因数の和:9990

約数の個数: 24

約数和(自身を含む): 35135028

約数和(自身を除く): 16744178

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 370, 925, 1850, 9941, 19882, 49705, 99410, 248525, 367817, 497050, 735634, 1839085, 3678170, 9195425, 18390850]

約数ペア:

[(1, 18390850), (2, 9195425), (5, 3678170), (10, 1839085), (25, 735634), (37, 497050), (50, 367817), (74, 248525), (185, 99410), (370, 49705), (925, 19882), (1850, 9941)]