19555893

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 33860736

約数和(自身を除く): 14304843

約数列:

[1, 3, 7, 9, 21, 41, 63, 67, 113, 123, 201, 287, 339, 369, 469, 603, 791, 861, 1017, 1407, 2373, 2583, 2747, 4221, 4633, 7119, 7571, 8241, 13899, 19229, 22713, 24723, 32431, 41697, 52997, 57687, 68139, 97293, 158991, 173061, 291879, 310411, 476973, 931233, 2172877, 2793699, 6518631, 19555893]

約数ペア:

[(1, 19555893), (3, 6518631), (7, 2793699), (9, 2172877), (21, 931233), (41, 476973), (63, 310411), (67, 291879), (113, 173061), (123, 158991), (201, 97293), (287, 68139), (339, 57687), (369, 52997), (469, 41697), (603, 32431), (791, 24723), (861, 22713), (1017, 19229), (1407, 13899), (2373, 8241), (2583, 7571), (2747, 7119), (4221, 4633)]