18455655140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1\times {\mathrm{14407}}^1$

素因数の和:14821

約数の個数: 72

約数和(自身を含む): 42081157440

約数和(自身を除く): 23625502300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 379, 676, 758, 845, 1516, 1690, 1895, 3380, 3790, 4927, 7580, 9854, 14407, 19708, 24635, 28814, 49270, 57628, 64051, 72035, 98540, 128102, 144070, 187291, 256204, 288140, 320255, 374582, 640510, 749164, 936455, 1281020, 1872910, 2434783, 3745820, 4869566, 5460253, 9739132, 10920506, 12173915, 21841012, 24347830, 27301265, 48695660, 54602530, 70983289, 109205060, 141966578, 283933156, 354916445, 709832890, 922782757, 1419665780, 1845565514, 3691131028, 4613913785, 9227827570, 18455655140]

約数ペア:

[(1, 18455655140), (2, 9227827570), (4, 4613913785), (5, 3691131028), (10, 1845565514), (13, 1419665780), (20, 922782757), (26, 709832890), (52, 354916445), (65, 283933156), (130, 141966578), (169, 109205060), (260, 70983289), (338, 54602530), (379, 48695660), (676, 27301265), (758, 24347830), (845, 21841012), (1516, 12173915), (1690, 10920506), (1895, 9739132), (3380, 5460253), (3790, 4869566), (4927, 3745820), (7580, 2434783), (9854, 1872910), (14407, 1281020), (19708, 936455), (24635, 749164), (28814, 640510), (49270, 374582), (57628, 320255), (64051, 288140), (72035, 256204), (98540, 187291), (128102, 144070)]