19878936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 64143360

約数和(自身を除く): 44264424

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 347, 372, 434, 462, 616, 651, 682, 694, 744, 868, 924, 1023, 1041, 1302, 1364, 1388, 1736, 1848, 2046, 2082, 2387, 2429, 2604, 2728, 2776, 3817, 4092, 4164, 4774, 4858, 5208, 7161, 7287, 7634, 8184, 8328, 9548, 9716, 10757, 11451, 14322, 14574, 15268, 19096, 19432, 21514, 22902, 26719, 28644, 29148, 30536, 32271, 43028, 45804, 53438, 57288, 58296, 64542, 75299, 80157, 86056, 91608, 106876, 118327, 129084, 150598, 160314, 213752, 225897, 236654, 258168, 301196, 320628, 354981, 451794, 473308, 602392, 641256, 709962, 828289, 903588, 946616, 1419924, 1656578, 1807176, 2484867, 2839848, 3313156, 4969734, 6626312, 9939468, 19878936]

約数ペア:

[(1, 19878936), (2, 9939468), (3, 6626312), (4, 4969734), (6, 3313156), (7, 2839848), (8, 2484867), (11, 1807176), (12, 1656578), (14, 1419924), (21, 946616), (22, 903588), (24, 828289), (28, 709962), (31, 641256), (33, 602392), (42, 473308), (44, 451794), (56, 354981), (62, 320628), (66, 301196), (77, 258168), (84, 236654), (88, 225897), (93, 213752), (124, 160314), (132, 150598), (154, 129084), (168, 118327), (186, 106876), (217, 91608), (231, 86056), (248, 80157), (264, 75299), (308, 64542), (341, 58296), (347, 57288), (372, 53438), (434, 45804), (462, 43028), (616, 32271), (651, 30536), (682, 29148), (694, 28644), (744, 26719), (868, 22902), (924, 21514), (1023, 19432), (1041, 19096), (1302, 15268), (1364, 14574), (1388, 14322), (1736, 11451), (1848, 10757), (2046, 9716), (2082, 9548), (2387, 8328), (2429, 8184), (2604, 7634), (2728, 7287), (2776, 7161), (3817, 5208), (4092, 4858), (4164, 4774)]