19902374

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{599}}^1$

素因数の和:1087

約数の個数: 16

約数和(自身を含む): 30780000

約数和(自身を除く): 10877626

約数列:

[1, 2, 37, 74, 449, 599, 898, 1198, 16613, 22163, 33226, 44326, 268951, 537902, 9951187, 19902374]

約数ペア:

[(1, 19902374), (2, 9951187), (37, 537902), (74, 268951), (449, 44326), (599, 33226), (898, 22163), (1198, 16613)]