18485528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 39204000

約数和(自身を除く): 20718472

約数列:

[1, 2, 4, 8, 17, 29, 34, 43, 58, 68, 86, 109, 116, 136, 172, 218, 232, 344, 436, 493, 731, 872, 986, 1247, 1462, 1853, 1972, 2494, 2924, 3161, 3706, 3944, 4687, 4988, 5848, 6322, 7412, 9374, 9976, 12644, 14824, 18748, 21199, 25288, 37496, 42398, 53737, 79679, 84796, 107474, 135923, 159358, 169592, 214948, 271846, 318716, 429896, 543692, 637432, 1087384, 2310691, 4621382, 9242764, 18485528]

約数ペア:

[(1, 18485528), (2, 9242764), (4, 4621382), (8, 2310691), (17, 1087384), (29, 637432), (34, 543692), (43, 429896), (58, 318716), (68, 271846), (86, 214948), (109, 169592), (116, 159358), (136, 135923), (172, 107474), (218, 84796), (232, 79679), (344, 53737), (436, 42398), (493, 37496), (731, 25288), (872, 21199), (986, 18748), (1247, 14824), (1462, 12644), (1853, 9976), (1972, 9374), (2494, 7412), (2924, 6322), (3161, 5848), (3706, 4988), (3944, 4687)]