19535580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 63423360

約数和(自身を除く): 43887780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 389, 405, 465, 540, 558, 620, 778, 810, 837, 930, 1116, 1167, 1395, 1556, 1620, 1674, 1860, 1945, 2334, 2511, 2790, 3348, 3501, 3890, 4185, 4668, 5022, 5580, 5835, 7002, 7780, 8370, 10044, 10503, 11670, 12059, 12555, 14004, 16740, 17505, 21006, 23340, 24118, 25110, 31509, 35010, 36177, 42012, 48236, 50220, 52515, 60295, 63018, 70020, 72354, 105030, 108531, 120590, 126036, 144708, 157545, 180885, 210060, 217062, 241180, 315090, 325593, 361770, 434124, 542655, 630180, 651186, 723540, 976779, 1085310, 1302372, 1627965, 1953558, 2170620, 3255930, 3907116, 4883895, 6511860, 9767790, 19535580]

約数ペア:

[(1, 19535580), (2, 9767790), (3, 6511860), (4, 4883895), (5, 3907116), (6, 3255930), (9, 2170620), (10, 1953558), (12, 1627965), (15, 1302372), (18, 1085310), (20, 976779), (27, 723540), (30, 651186), (31, 630180), (36, 542655), (45, 434124), (54, 361770), (60, 325593), (62, 315090), (81, 241180), (90, 217062), (93, 210060), (108, 180885), (124, 157545), (135, 144708), (155, 126036), (162, 120590), (180, 108531), (186, 105030), (270, 72354), (279, 70020), (310, 63018), (324, 60295), (372, 52515), (389, 50220), (405, 48236), (465, 42012), (540, 36177), (558, 35010), (620, 31509), (778, 25110), (810, 24118), (837, 23340), (930, 21006), (1116, 17505), (1167, 16740), (1395, 14004), (1556, 12555), (1620, 12059), (1674, 11670), (1860, 10503), (1945, 10044), (2334, 8370), (2511, 7780), (2790, 7002), (3348, 5835), (3501, 5580), (3890, 5022), (4185, 4668)]