13219578

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 17884422

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 53, 54, 62, 93, 106, 149, 159, 186, 279, 298, 318, 447, 477, 558, 837, 894, 954, 1341, 1431, 1643, 1674, 2682, 2862, 3286, 4023, 4619, 4929, 7897, 8046, 9238, 9858, 13857, 14787, 15794, 23691, 27714, 29574, 41571, 44361, 47382, 71073, 83142, 88722, 124713, 142146, 213219, 244807, 249426, 426438, 489614, 734421, 1468842, 2203263, 4406526, 6609789, 13219578]

約数ペア:

[(1, 13219578), (2, 6609789), (3, 4406526), (6, 2203263), (9, 1468842), (18, 734421), (27, 489614), (31, 426438), (53, 249426), (54, 244807), (62, 213219), (93, 142146), (106, 124713), (149, 88722), (159, 83142), (186, 71073), (279, 47382), (298, 44361), (318, 41571), (447, 29574), (477, 27714), (558, 23691), (837, 15794), (894, 14787), (954, 13857), (1341, 9858), (1431, 9238), (1643, 8046), (1674, 7897), (2682, 4929), (2862, 4619), (3286, 4023)]