19706988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{829}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 52801280

約数和(自身を除く): 33094292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 283, 566, 829, 849, 1132, 1658, 1698, 1981, 2487, 3316, 3396, 3962, 4974, 5803, 5943, 7924, 9948, 11606, 11886, 17409, 23212, 23772, 34818, 69636, 234607, 469214, 703821, 938428, 1407642, 1642249, 2815284, 3284498, 4926747, 6568996, 9853494, 19706988]

約数ペア:

[(1, 19706988), (2, 9853494), (3, 6568996), (4, 4926747), (6, 3284498), (7, 2815284), (12, 1642249), (14, 1407642), (21, 938428), (28, 703821), (42, 469214), (84, 234607), (283, 69636), (566, 34818), (829, 23772), (849, 23212), (1132, 17409), (1658, 11886), (1698, 11606), (1981, 9948), (2487, 7924), (3316, 5943), (3396, 5803), (3962, 4974)]