18763696

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 25429904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 53, 56, 58, 106, 109, 112, 116, 203, 212, 218, 232, 371, 406, 424, 436, 464, 742, 763, 812, 848, 872, 1484, 1526, 1537, 1624, 1744, 2968, 3052, 3074, 3161, 3248, 5777, 5936, 6104, 6148, 6322, 10759, 11554, 12208, 12296, 12644, 21518, 22127, 23108, 24592, 25288, 40439, 43036, 44254, 46216, 50576, 80878, 86072, 88508, 92432, 161756, 167533, 172144, 177016, 323512, 335066, 354032, 647024, 670132, 1172731, 1340264, 2345462, 2680528, 4690924, 9381848, 18763696]

約数ペア:

[(1, 18763696), (2, 9381848), (4, 4690924), (7, 2680528), (8, 2345462), (14, 1340264), (16, 1172731), (28, 670132), (29, 647024), (53, 354032), (56, 335066), (58, 323512), (106, 177016), (109, 172144), (112, 167533), (116, 161756), (203, 92432), (212, 88508), (218, 86072), (232, 80878), (371, 50576), (406, 46216), (424, 44254), (436, 43036), (464, 40439), (742, 25288), (763, 24592), (812, 23108), (848, 22127), (872, 21518), (1484, 12644), (1526, 12296), (1537, 12208), (1624, 11554), (1744, 10759), (2968, 6322), (3052, 6148), (3074, 6104), (3161, 5936), (3248, 5777)]