18157889695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 27006566400

約数和(自身を除く): 8848676705

約数列:

[1, 5, 11, 19, 23, 55, 73, 79, 95, 115, 131, 209, 253, 365, 395, 437, 655, 803, 869, 1045, 1265, 1387, 1441, 1501, 1679, 1817, 2185, 2489, 3013, 4015, 4345, 4807, 5767, 6935, 7205, 7505, 8395, 9085, 9563, 10349, 12445, 15065, 15257, 16511, 18469, 19987, 24035, 27379, 28835, 31901, 33143, 34523, 47815, 51745, 57247, 63437, 76285, 82555, 92345, 99935, 105193, 109573, 113839, 132641, 136895, 159505, 165715, 172615, 181697, 196631, 219949, 238027, 286235, 317185, 350911, 379753, 525965, 547865, 569195, 629717, 663205, 755477, 908485, 983155, 1099745, 1190135, 1205303, 1459051, 1754555, 1898765, 1998667, 2162941, 2419439, 2520179, 2618297, 3148585, 3777385, 4179031, 4522513, 6026515, 7295255, 8310247, 9993335, 10814705, 12097195, 12600895, 13091485, 14354063, 17375971, 20895155, 22612565, 27721969, 41551235, 45969341, 49747643, 71770315, 86879855, 138609845, 157894693, 191135681, 229846705, 248738215, 330143449, 789473465, 955678405, 1650717245, 3631577939, 18157889695]

約数ペア:

[(1, 18157889695), (5, 3631577939), (11, 1650717245), (19, 955678405), (23, 789473465), (55, 330143449), (73, 248738215), (79, 229846705), (95, 191135681), (115, 157894693), (131, 138609845), (209, 86879855), (253, 71770315), (365, 49747643), (395, 45969341), (437, 41551235), (655, 27721969), (803, 22612565), (869, 20895155), (1045, 17375971), (1265, 14354063), (1387, 13091485), (1441, 12600895), (1501, 12097195), (1679, 10814705), (1817, 9993335), (2185, 8310247), (2489, 7295255), (3013, 6026515), (4015, 4522513), (4345, 4179031), (4807, 3777385), (5767, 3148585), (6935, 2618297), (7205, 2520179), (7505, 2419439), (8395, 2162941), (9085, 1998667), (9563, 1898765), (10349, 1754555), (12445, 1459051), (15065, 1205303), (15257, 1190135), (16511, 1099745), (18469, 983155), (19987, 908485), (24035, 755477), (27379, 663205), (28835, 629717), (31901, 569195), (33143, 547865), (34523, 525965), (47815, 379753), (51745, 350911), (57247, 317185), (63437, 286235), (76285, 238027), (82555, 219949), (92345, 196631), (99935, 181697), (105193, 172615), (109573, 165715), (113839, 159505), (132641, 136895)]