18869604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 50709120

約数和(自身を除く): 31839516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 43, 52, 58, 78, 86, 87, 97, 116, 129, 156, 172, 174, 194, 258, 291, 348, 377, 388, 516, 559, 582, 754, 1118, 1131, 1164, 1247, 1261, 1508, 1677, 2236, 2262, 2494, 2522, 2813, 3354, 3741, 3783, 4171, 4524, 4988, 5044, 5626, 6708, 7482, 7566, 8342, 8439, 11252, 12513, 14964, 15132, 16211, 16684, 16878, 25026, 32422, 33756, 36569, 48633, 50052, 54223, 64844, 73138, 97266, 108446, 109707, 120959, 146276, 162669, 194532, 216892, 219414, 241918, 325338, 362877, 438828, 483836, 650676, 725754, 1451508, 1572467, 3144934, 4717401, 6289868, 9434802, 18869604]

約数ペア:

[(1, 18869604), (2, 9434802), (3, 6289868), (4, 4717401), (6, 3144934), (12, 1572467), (13, 1451508), (26, 725754), (29, 650676), (39, 483836), (43, 438828), (52, 362877), (58, 325338), (78, 241918), (86, 219414), (87, 216892), (97, 194532), (116, 162669), (129, 146276), (156, 120959), (172, 109707), (174, 108446), (194, 97266), (258, 73138), (291, 64844), (348, 54223), (377, 50052), (388, 48633), (516, 36569), (559, 33756), (582, 32422), (754, 25026), (1118, 16878), (1131, 16684), (1164, 16211), (1247, 15132), (1261, 14964), (1508, 12513), (1677, 11252), (2236, 8439), (2262, 8342), (2494, 7566), (2522, 7482), (2813, 6708), (3354, 5626), (3741, 5044), (3783, 4988), (4171, 4524)]