20123231418

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2459}}^1$

素因数の和:2716

約数の個数: 96

約数和(自身を含む): 45506260800

約数和(自身を除く): 25383029382

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 97, 109, 129, 194, 218, 258, 291, 327, 387, 582, 654, 774, 873, 981, 1746, 1962, 2459, 4171, 4687, 4918, 7377, 8342, 9374, 10573, 12513, 14061, 14754, 21146, 22131, 25026, 28122, 31719, 37539, 42183, 44262, 63438, 75078, 84366, 95157, 105737, 190314, 211474, 238523, 268031, 317211, 454639, 477046, 536062, 634422, 715569, 804093, 909278, 951633, 1363917, 1431138, 1608186, 1903266, 2146707, 2412279, 2727834, 4091751, 4293414, 4824558, 8183502, 10256489, 11525333, 20512978, 23050666, 25999007, 30769467, 34575999, 51998014, 61538934, 69151998, 77997021, 92308401, 103727997, 155994042, 184616802, 207455994, 233991063, 467982126, 1117957301, 2235914602, 3353871903, 6707743806, 10061615709, 20123231418]

約数ペア:

[(1, 20123231418), (2, 10061615709), (3, 6707743806), (6, 3353871903), (9, 2235914602), (18, 1117957301), (43, 467982126), (86, 233991063), (97, 207455994), (109, 184616802), (129, 155994042), (194, 103727997), (218, 92308401), (258, 77997021), (291, 69151998), (327, 61538934), (387, 51998014), (582, 34575999), (654, 30769467), (774, 25999007), (873, 23050666), (981, 20512978), (1746, 11525333), (1962, 10256489), (2459, 8183502), (4171, 4824558), (4687, 4293414), (4918, 4091751), (7377, 2727834), (8342, 2412279), (9374, 2146707), (10573, 1903266), (12513, 1608186), (14061, 1431138), (14754, 1363917), (21146, 951633), (22131, 909278), (25026, 804093), (28122, 715569), (31719, 634422), (37539, 536062), (42183, 477046), (44262, 454639), (63438, 317211), (75078, 268031), (84366, 238523), (95157, 211474), (105737, 190314)]