20187589908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1\times {\mathrm{929}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 49996800000

約数和(自身を除く): 29809210092

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 191, 228, 382, 499, 573, 764, 929, 998, 1146, 1497, 1858, 1996, 2292, 2787, 2994, 3629, 3716, 5574, 5988, 7258, 9481, 10887, 11148, 14516, 17651, 18962, 21774, 28443, 35302, 37924, 43548, 52953, 56886, 70604, 95309, 105906, 113772, 177439, 190618, 211812, 285927, 354878, 381236, 463571, 532317, 571854, 709756, 927142, 1064634, 1143708, 1390713, 1810871, 1854284, 2129268, 2781426, 3371341, 3621742, 5432613, 5562852, 6742682, 7243484, 8807849, 10114023, 10865226, 13485364, 17615698, 20228046, 21730452, 26423547, 35231396, 40456092, 52847094, 88542061, 105694188, 177084122, 265626183, 354168244, 531252366, 1062504732, 1682299159, 3364598318, 5046897477, 6729196636, 10093794954, 20187589908]

約数ペア:

[(1, 20187589908), (2, 10093794954), (3, 6729196636), (4, 5046897477), (6, 3364598318), (12, 1682299159), (19, 1062504732), (38, 531252366), (57, 354168244), (76, 265626183), (114, 177084122), (191, 105694188), (228, 88542061), (382, 52847094), (499, 40456092), (573, 35231396), (764, 26423547), (929, 21730452), (998, 20228046), (1146, 17615698), (1497, 13485364), (1858, 10865226), (1996, 10114023), (2292, 8807849), (2787, 7243484), (2994, 6742682), (3629, 5562852), (3716, 5432613), (5574, 3621742), (5988, 3371341), (7258, 2781426), (9481, 2129268), (10887, 1854284), (11148, 1810871), (14516, 1390713), (17651, 1143708), (18962, 1064634), (21774, 927142), (28443, 709756), (35302, 571854), (37924, 532317), (43548, 463571), (52953, 381236), (56886, 354878), (70604, 285927), (95309, 211812), (105906, 190618), (113772, 177439)]