12091220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 27336960

約数和(自身を除く): 15245740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 677, 893, 940, 1354, 1786, 2708, 3385, 3572, 4465, 6770, 8930, 12863, 13540, 17860, 25726, 31819, 51452, 63638, 64315, 127276, 128630, 159095, 257260, 318190, 604561, 636380, 1209122, 2418244, 3022805, 6045610, 12091220]

約数ペア:

[(1, 12091220), (2, 6045610), (4, 3022805), (5, 2418244), (10, 1209122), (19, 636380), (20, 604561), (38, 318190), (47, 257260), (76, 159095), (94, 128630), (95, 127276), (188, 64315), (190, 63638), (235, 51452), (380, 31819), (470, 25726), (677, 17860), (893, 13540), (940, 12863), (1354, 8930), (1786, 6770), (2708, 4465), (3385, 3572)]