19995864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2960

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 38548776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 2903, 3444, 5806, 6888, 8709, 11612, 17418, 20321, 23224, 34836, 40642, 60963, 69672, 81284, 119023, 121926, 162568, 238046, 243852, 357069, 476092, 487704, 714138, 833161, 952184, 1428276, 1666322, 2499483, 2856552, 3332644, 4998966, 6665288, 9997932, 19995864]

約数ペア:

[(1, 19995864), (2, 9997932), (3, 6665288), (4, 4998966), (6, 3332644), (7, 2856552), (8, 2499483), (12, 1666322), (14, 1428276), (21, 952184), (24, 833161), (28, 714138), (41, 487704), (42, 476092), (56, 357069), (82, 243852), (84, 238046), (123, 162568), (164, 121926), (168, 119023), (246, 81284), (287, 69672), (328, 60963), (492, 40642), (574, 34836), (861, 23224), (984, 20321), (1148, 17418), (1722, 11612), (2296, 8709), (2903, 6888), (3444, 5806)]