18850611820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22988551}}^1$

素因数の和:22988601

約数の個数: 24

約数和(自身を含む): 40551805728

約数和(自身を除く): 21701193908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22988551, 45977102, 91954204, 114942755, 229885510, 459771020, 942530591, 1885061182, 3770122364, 4712652955, 9425305910, 18850611820]

約数ペア:

[(1, 18850611820), (2, 9425305910), (4, 4712652955), (5, 3770122364), (10, 1885061182), (20, 942530591), (41, 459771020), (82, 229885510), (164, 114942755), (205, 91954204), (410, 45977102), (820, 22988551)]