18512788

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3257}}^1$

素因数の和:3304

約数の個数: 36

約数和(自身を含む): 38998260

約数和(自身を除く): 20485472

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3257, 5684, 6514, 13028, 22799, 45598, 91196, 94453, 159593, 188906, 319186, 377812, 638372, 661171, 1322342, 2644684, 4628197, 9256394, 18512788]

約数ペア:

[(1, 18512788), (2, 9256394), (4, 4628197), (7, 2644684), (14, 1322342), (28, 661171), (29, 638372), (49, 377812), (58, 319186), (98, 188906), (116, 159593), (196, 94453), (203, 91196), (406, 45598), (812, 22799), (1421, 13028), (2842, 6514), (3257, 5684)]