20180879992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{967}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 47226009600

約数和(自身を除く): 27045129608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 109, 182, 218, 263, 364, 436, 526, 728, 763, 872, 967, 1052, 1417, 1526, 1841, 1934, 2104, 2834, 3052, 3419, 3682, 3868, 5668, 6104, 6769, 6838, 7364, 7736, 9919, 11336, 12571, 13538, 13676, 14728, 19838, 23933, 25142, 27076, 27352, 28667, 39676, 47866, 50284, 54152, 57334, 79352, 87997, 95732, 100568, 105403, 114668, 175994, 191464, 200669, 210806, 229336, 254321, 351988, 372671, 401338, 421612, 508642, 703976, 737821, 745342, 802676, 843224, 1017284, 1370239, 1475642, 1490684, 1605352, 1780247, 2034568, 2608697, 2740478, 2951284, 2981368, 3306173, 3560494, 5217394, 5480956, 5902568, 6612346, 7120988, 9591673, 10434788, 10961912, 13224692, 14241976, 19183346, 20869576, 23143211, 26449384, 27720989, 38366692, 46286422, 55441978, 76733384, 92572844, 110883956, 185145688, 194046923, 221767912, 360372857, 388093846, 720745714, 776187692, 1441491428, 1552375384, 2522609999, 2882982856, 5045219998, 10090439996, 20180879992]

約数ペア:

[(1, 20180879992), (2, 10090439996), (4, 5045219998), (7, 2882982856), (8, 2522609999), (13, 1552375384), (14, 1441491428), (26, 776187692), (28, 720745714), (52, 388093846), (56, 360372857), (91, 221767912), (104, 194046923), (109, 185145688), (182, 110883956), (218, 92572844), (263, 76733384), (364, 55441978), (436, 46286422), (526, 38366692), (728, 27720989), (763, 26449384), (872, 23143211), (967, 20869576), (1052, 19183346), (1417, 14241976), (1526, 13224692), (1841, 10961912), (1934, 10434788), (2104, 9591673), (2834, 7120988), (3052, 6612346), (3419, 5902568), (3682, 5480956), (3868, 5217394), (5668, 3560494), (6104, 3306173), (6769, 2981368), (6838, 2951284), (7364, 2740478), (7736, 2608697), (9919, 2034568), (11336, 1780247), (12571, 1605352), (13538, 1490684), (13676, 1475642), (14728, 1370239), (19838, 1017284), (23933, 843224), (25142, 802676), (27076, 745342), (27352, 737821), (28667, 703976), (39676, 508642), (47866, 421612), (50284, 401338), (54152, 372671), (57334, 351988), (79352, 254321), (87997, 229336), (95732, 210806), (100568, 200669), (105403, 191464), (114668, 175994)]