18789344

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 44988048

約数和(自身を除く): 26198704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 521, 644, 736, 784, 1042, 1127, 1288, 1568, 2084, 2254, 2576, 3647, 4168, 4508, 5152, 7294, 8336, 9016, 11983, 14588, 16672, 18032, 23966, 25529, 29176, 36064, 47932, 51058, 58352, 83881, 95864, 102116, 116704, 167762, 191728, 204232, 335524, 383456, 408464, 587167, 671048, 816928, 1174334, 1342096, 2348668, 2684192, 4697336, 9394672, 18789344]

約数ペア:

[(1, 18789344), (2, 9394672), (4, 4697336), (7, 2684192), (8, 2348668), (14, 1342096), (16, 1174334), (23, 816928), (28, 671048), (32, 587167), (46, 408464), (49, 383456), (56, 335524), (92, 204232), (98, 191728), (112, 167762), (161, 116704), (184, 102116), (196, 95864), (224, 83881), (322, 58352), (368, 51058), (392, 47932), (521, 36064), (644, 29176), (736, 25529), (784, 23966), (1042, 18032), (1127, 16672), (1288, 14588), (1568, 11983), (2084, 9016), (2254, 8336), (2576, 7294), (3647, 5152), (4168, 4508)]