18312140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 51480576

約数和(自身を除く): 33168436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 47, 55, 70, 77, 92, 94, 110, 115, 121, 140, 154, 161, 188, 220, 230, 235, 242, 253, 308, 322, 329, 385, 460, 470, 484, 506, 517, 605, 644, 658, 770, 805, 847, 940, 1012, 1034, 1081, 1210, 1265, 1316, 1540, 1610, 1645, 1694, 1771, 2068, 2162, 2420, 2530, 2585, 2783, 3220, 3290, 3388, 3542, 3619, 4235, 4324, 5060, 5170, 5405, 5566, 5687, 6580, 7084, 7238, 7567, 8470, 8855, 10340, 10810, 11132, 11374, 11891, 13915, 14476, 15134, 16940, 17710, 18095, 19481, 21620, 22748, 23782, 27830, 28435, 30268, 35420, 36190, 37835, 38962, 39809, 47564, 55660, 56870, 59455, 72380, 75670, 77924, 79618, 83237, 97405, 113740, 118910, 130801, 151340, 159236, 166474, 194810, 199045, 237820, 261602, 332948, 389620, 398090, 416185, 523204, 654005, 796180, 832370, 915607, 1308010, 1664740, 1831214, 2616020, 3662428, 4578035, 9156070, 18312140]

約数ペア:

[(1, 18312140), (2, 9156070), (4, 4578035), (5, 3662428), (7, 2616020), (10, 1831214), (11, 1664740), (14, 1308010), (20, 915607), (22, 832370), (23, 796180), (28, 654005), (35, 523204), (44, 416185), (46, 398090), (47, 389620), (55, 332948), (70, 261602), (77, 237820), (92, 199045), (94, 194810), (110, 166474), (115, 159236), (121, 151340), (140, 130801), (154, 118910), (161, 113740), (188, 97405), (220, 83237), (230, 79618), (235, 77924), (242, 75670), (253, 72380), (308, 59455), (322, 56870), (329, 55660), (385, 47564), (460, 39809), (470, 38962), (484, 37835), (506, 36190), (517, 35420), (605, 30268), (644, 28435), (658, 27830), (770, 23782), (805, 22748), (847, 21620), (940, 19481), (1012, 18095), (1034, 17710), (1081, 16940), (1210, 15134), (1265, 14476), (1316, 13915), (1540, 11891), (1610, 11374), (1645, 11132), (1694, 10810), (1771, 10340), (2068, 8855), (2162, 8470), (2420, 7567), (2530, 7238), (2585, 7084), (2783, 6580), (3220, 5687), (3290, 5566), (3388, 5405), (3542, 5170), (3619, 5060), (4235, 4324)]