19387620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 52865820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 223, 230, 252, 270, 276, 315, 322, 345, 378, 414, 420, 446, 460, 483, 540, 621, 630, 644, 669, 690, 756, 805, 828, 892, 945, 966, 1035, 1115, 1242, 1260, 1338, 1380, 1449, 1561, 1610, 1890, 1932, 2007, 2070, 2230, 2415, 2484, 2676, 2898, 3105, 3122, 3220, 3345, 3780, 4014, 4140, 4347, 4460, 4683, 4830, 5129, 5796, 6021, 6210, 6244, 6690, 7245, 7805, 8028, 8694, 9366, 9660, 10035, 10258, 12042, 12420, 13380, 14049, 14490, 15387, 15610, 17388, 18732, 20070, 20516, 21735, 23415, 24084, 25645, 28098, 28980, 30105, 30774, 31220, 35903, 40140, 42147, 43470, 46161, 46830, 51290, 56196, 60210, 61548, 70245, 71806, 76935, 84294, 86940, 92322, 93660, 102580, 107709, 120420, 138483, 140490, 143612, 153870, 168588, 179515, 184644, 210735, 215418, 230805, 276966, 280980, 307740, 323127, 359030, 421470, 430836, 461610, 538545, 553932, 646254, 692415, 718060, 842940, 923220, 969381, 1077090, 1292508, 1384830, 1615635, 1938762, 2154180, 2769660, 3231270, 3877524, 4846905, 6462540, 9693810, 19387620]

約数ペア:

[(1, 19387620), (2, 9693810), (3, 6462540), (4, 4846905), (5, 3877524), (6, 3231270), (7, 2769660), (9, 2154180), (10, 1938762), (12, 1615635), (14, 1384830), (15, 1292508), (18, 1077090), (20, 969381), (21, 923220), (23, 842940), (27, 718060), (28, 692415), (30, 646254), (35, 553932), (36, 538545), (42, 461610), (45, 430836), (46, 421470), (54, 359030), (60, 323127), (63, 307740), (69, 280980), (70, 276966), (84, 230805), (90, 215418), (92, 210735), (105, 184644), (108, 179515), (115, 168588), (126, 153870), (135, 143612), (138, 140490), (140, 138483), (161, 120420), (180, 107709), (189, 102580), (207, 93660), (210, 92322), (223, 86940), (230, 84294), (252, 76935), (270, 71806), (276, 70245), (315, 61548), (322, 60210), (345, 56196), (378, 51290), (414, 46830), (420, 46161), (446, 43470), (460, 42147), (483, 40140), (540, 35903), (621, 31220), (630, 30774), (644, 30105), (669, 28980), (690, 28098), (756, 25645), (805, 24084), (828, 23415), (892, 21735), (945, 20516), (966, 20070), (1035, 18732), (1115, 17388), (1242, 15610), (1260, 15387), (1338, 14490), (1380, 14049), (1449, 13380), (1561, 12420), (1610, 12042), (1890, 10258), (1932, 10035), (2007, 9660), (2070, 9366), (2230, 8694), (2415, 8028), (2484, 7805), (2676, 7245), (2898, 6690), (3105, 6244), (3122, 6210), (3220, 6021), (3345, 5796), (3780, 5129), (4014, 4830), (4140, 4683), (4347, 4460)]