18478872

素因数分解:

$2^3\times 3^2\times {\mathrm{256651}}^1$

素因数の和:256663

約数の個数: 24

約数和(自身を含む): 50047140

約数和(自身を除く): 31568268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 256651, 513302, 769953, 1026604, 1539906, 2053208, 2309859, 3079812, 4619718, 6159624, 9239436, 18478872]

約数ペア:

[(1, 18478872), (2, 9239436), (3, 6159624), (4, 4619718), (6, 3079812), (8, 2309859), (9, 2053208), (12, 1539906), (18, 1026604), (24, 769953), (36, 513302), (72, 256651)]