18401080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 42957720

約数和(自身を除く): 24556640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 547, 580, 841, 1094, 1160, 1682, 2188, 2735, 3364, 4205, 4376, 5470, 6728, 8410, 10940, 15863, 16820, 21880, 31726, 33640, 63452, 79315, 126904, 158630, 317260, 460027, 634520, 920054, 1840108, 2300135, 3680216, 4600270, 9200540, 18401080]

約数ペア:

[(1, 18401080), (2, 9200540), (4, 4600270), (5, 3680216), (8, 2300135), (10, 1840108), (20, 920054), (29, 634520), (40, 460027), (58, 317260), (116, 158630), (145, 126904), (232, 79315), (290, 63452), (547, 33640), (580, 31726), (841, 21880), (1094, 16820), (1160, 15863), (1682, 10940), (2188, 8410), (2735, 6728), (3364, 5470), (4205, 4376)]