18001228

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3214

約数の個数: 36

約数和(自身を含む): 37920960

約数和(自身を除く): 19919732

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3167, 5684, 6334, 12668, 22169, 44338, 88676, 91843, 155183, 183686, 310366, 367372, 620732, 642901, 1285802, 2571604, 4500307, 9000614, 18001228]

約数ペア:

[(1, 18001228), (2, 9000614), (4, 4500307), (7, 2571604), (14, 1285802), (28, 642901), (29, 620732), (49, 367372), (58, 310366), (98, 183686), (116, 155183), (196, 91843), (203, 88676), (406, 44338), (812, 22169), (1421, 12668), (2842, 6334), (3167, 5684)]