19972854

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 47595600

約数和(自身を除く): 27622746

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 149, 198, 298, 447, 677, 894, 1341, 1354, 1639, 2031, 2682, 3278, 4062, 4917, 6093, 7447, 9834, 12186, 14751, 14894, 22341, 29502, 44682, 67023, 100873, 134046, 201746, 302619, 605238, 907857, 1109603, 1815714, 2219206, 3328809, 6657618, 9986427, 19972854]

約数ペア:

[(1, 19972854), (2, 9986427), (3, 6657618), (6, 3328809), (9, 2219206), (11, 1815714), (18, 1109603), (22, 907857), (33, 605238), (66, 302619), (99, 201746), (149, 134046), (198, 100873), (298, 67023), (447, 44682), (677, 29502), (894, 22341), (1341, 14894), (1354, 14751), (1639, 12186), (2031, 9834), (2682, 7447), (3278, 6093), (4062, 4917)]