18921056

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1097}}^1$

素因数の和:1132

約数の個数: 72

約数和(自身を含む): 47315016

約数和(自身を除く): 28393960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1097, 1232, 1568, 2156, 2194, 2464, 4312, 4388, 7679, 8624, 8776, 12067, 15358, 17248, 17552, 24134, 30716, 35104, 48268, 53753, 61432, 84469, 96536, 107506, 122864, 168938, 193072, 215012, 245728, 337876, 386144, 430024, 591283, 675752, 860048, 1182566, 1351504, 1720096, 2365132, 2703008, 4730264, 9460528, 18921056]

約数ペア:

[(1, 18921056), (2, 9460528), (4, 4730264), (7, 2703008), (8, 2365132), (11, 1720096), (14, 1351504), (16, 1182566), (22, 860048), (28, 675752), (32, 591283), (44, 430024), (49, 386144), (56, 337876), (77, 245728), (88, 215012), (98, 193072), (112, 168938), (154, 122864), (176, 107506), (196, 96536), (224, 84469), (308, 61432), (352, 53753), (392, 48268), (539, 35104), (616, 30716), (784, 24134), (1078, 17552), (1097, 17248), (1232, 15358), (1568, 12067), (2156, 8776), (2194, 8624), (2464, 7679), (4312, 4388)]