19992994

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 35747712

約数和(自身を除く): 15754718

約数列:

[1, 2, 7, 14, 41, 61, 82, 122, 287, 427, 571, 574, 854, 1142, 2501, 3997, 5002, 7994, 17507, 23411, 34831, 35014, 46822, 69662, 163877, 243817, 327754, 487634, 1428071, 2856142, 9996497, 19992994]

約数ペア:

[(1, 19992994), (2, 9996497), (7, 2856142), (14, 1428071), (41, 487634), (61, 327754), (82, 243817), (122, 163877), (287, 69662), (427, 46822), (571, 35014), (574, 34831), (854, 23411), (1142, 17507), (2501, 7994), (3997, 5002)]