19897080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23687}}^1$

素因数の和:23708

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 48324360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23687, 47374, 71061, 94748, 118435, 142122, 165809, 189496, 236870, 284244, 331618, 355305, 473740, 497427, 568488, 663236, 710610, 829045, 947480, 994854, 1326472, 1421220, 1658090, 1989708, 2487135, 2842440, 3316180, 3979416, 4974270, 6632360, 9948540, 19897080]

約数ペア:

[(1, 19897080), (2, 9948540), (3, 6632360), (4, 4974270), (5, 3979416), (6, 3316180), (7, 2842440), (8, 2487135), (10, 1989708), (12, 1658090), (14, 1421220), (15, 1326472), (20, 994854), (21, 947480), (24, 829045), (28, 710610), (30, 663236), (35, 568488), (40, 497427), (42, 473740), (56, 355305), (60, 331618), (70, 284244), (84, 236870), (105, 189496), (120, 165809), (140, 142122), (168, 118435), (210, 94748), (280, 71061), (420, 47374), (840, 23687)]