18879214

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 30503520

約数和(自身を除く): 11624306

約数列:

[1, 2, 17, 34, 89, 178, 289, 367, 578, 734, 1513, 3026, 6239, 12478, 25721, 32663, 51442, 65326, 106063, 212126, 555271, 1110542, 9439607, 18879214]

約数ペア:

[(1, 18879214), (2, 9439607), (17, 1110542), (34, 555271), (89, 212126), (178, 106063), (289, 65326), (367, 51442), (578, 32663), (734, 25721), (1513, 12478), (3026, 6239)]