18221336

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 43338240

約数和(自身を除く): 25116904

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 47, 49, 56, 86, 92, 94, 98, 161, 172, 184, 188, 196, 301, 322, 329, 344, 376, 392, 602, 644, 658, 989, 1081, 1127, 1204, 1288, 1316, 1978, 2021, 2107, 2162, 2254, 2303, 2408, 2632, 3956, 4042, 4214, 4324, 4508, 4606, 6923, 7567, 7912, 8084, 8428, 8648, 9016, 9212, 13846, 14147, 15134, 16168, 16856, 18424, 27692, 28294, 30268, 46483, 48461, 52969, 55384, 56588, 60536, 92966, 96922, 99029, 105938, 113176, 185932, 193844, 198058, 211876, 325381, 371864, 387688, 396116, 423752, 650762, 792232, 1301524, 2277667, 2603048, 4555334, 9110668, 18221336]

約数ペア:

[(1, 18221336), (2, 9110668), (4, 4555334), (7, 2603048), (8, 2277667), (14, 1301524), (23, 792232), (28, 650762), (43, 423752), (46, 396116), (47, 387688), (49, 371864), (56, 325381), (86, 211876), (92, 198058), (94, 193844), (98, 185932), (161, 113176), (172, 105938), (184, 99029), (188, 96922), (196, 92966), (301, 60536), (322, 56588), (329, 55384), (344, 52969), (376, 48461), (392, 46483), (602, 30268), (644, 28294), (658, 27692), (989, 18424), (1081, 16856), (1127, 16168), (1204, 15134), (1288, 14147), (1316, 13846), (1978, 9212), (2021, 9016), (2107, 8648), (2162, 8428), (2254, 8084), (2303, 7912), (2408, 7567), (2632, 6923), (3956, 4606), (4042, 4508), (4214, 4324)]