18928504

素因数分解:

$2^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 41758200

約数和(自身を除く): 22829696

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 109, 196, 218, 392, 436, 443, 763, 872, 886, 1526, 1772, 3052, 3101, 3544, 5341, 6104, 6202, 10682, 12404, 21364, 21707, 24808, 42728, 43414, 48287, 86828, 96574, 173656, 193148, 338009, 386296, 676018, 1352036, 2366063, 2704072, 4732126, 9464252, 18928504]

約数ペア:

[(1, 18928504), (2, 9464252), (4, 4732126), (7, 2704072), (8, 2366063), (14, 1352036), (28, 676018), (49, 386296), (56, 338009), (98, 193148), (109, 173656), (196, 96574), (218, 86828), (392, 48287), (436, 43414), (443, 42728), (763, 24808), (872, 21707), (886, 21364), (1526, 12404), (1772, 10682), (3052, 6202), (3101, 6104), (3544, 5341)]