19220180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 49545216

約数和(自身を除く): 30325036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 70, 92, 94, 115, 127, 140, 161, 188, 230, 235, 254, 322, 329, 460, 470, 508, 635, 644, 658, 805, 889, 940, 1081, 1270, 1316, 1610, 1645, 1778, 2162, 2540, 2921, 3220, 3290, 3556, 4324, 4445, 5405, 5842, 5969, 6580, 7567, 8890, 10810, 11684, 11938, 14605, 15134, 17780, 20447, 21620, 23876, 29210, 29845, 30268, 37835, 40894, 41783, 58420, 59690, 75670, 81788, 83566, 102235, 119380, 137287, 151340, 167132, 204470, 208915, 274574, 408940, 417830, 549148, 686435, 835660, 961009, 1372870, 1922018, 2745740, 3844036, 4805045, 9610090, 19220180]

約数ペア:

[(1, 19220180), (2, 9610090), (4, 4805045), (5, 3844036), (7, 2745740), (10, 1922018), (14, 1372870), (20, 961009), (23, 835660), (28, 686435), (35, 549148), (46, 417830), (47, 408940), (70, 274574), (92, 208915), (94, 204470), (115, 167132), (127, 151340), (140, 137287), (161, 119380), (188, 102235), (230, 83566), (235, 81788), (254, 75670), (322, 59690), (329, 58420), (460, 41783), (470, 40894), (508, 37835), (635, 30268), (644, 29845), (658, 29210), (805, 23876), (889, 21620), (940, 20447), (1081, 17780), (1270, 15134), (1316, 14605), (1610, 11938), (1645, 11684), (1778, 10810), (2162, 8890), (2540, 7567), (2921, 6580), (3220, 5969), (3290, 5842), (3556, 5405), (4324, 4445)]