18081616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 25665584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 133, 152, 203, 232, 266, 293, 304, 406, 464, 532, 551, 586, 812, 1064, 1102, 1172, 1624, 2051, 2128, 2204, 2344, 3248, 3857, 4102, 4408, 4688, 5567, 7714, 8204, 8497, 8816, 11134, 15428, 16408, 16994, 22268, 30856, 32816, 33988, 38969, 44536, 59479, 61712, 67976, 77938, 89072, 118958, 135952, 155876, 161443, 237916, 311752, 322886, 475832, 623504, 645772, 951664, 1130101, 1291544, 2260202, 2583088, 4520404, 9040808, 18081616]

約数ペア:

[(1, 18081616), (2, 9040808), (4, 4520404), (7, 2583088), (8, 2260202), (14, 1291544), (16, 1130101), (19, 951664), (28, 645772), (29, 623504), (38, 475832), (56, 322886), (58, 311752), (76, 237916), (112, 161443), (116, 155876), (133, 135952), (152, 118958), (203, 89072), (232, 77938), (266, 67976), (293, 61712), (304, 59479), (406, 44536), (464, 38969), (532, 33988), (551, 32816), (586, 30856), (812, 22268), (1064, 16994), (1102, 16408), (1172, 15428), (1624, 11134), (2051, 8816), (2128, 8497), (2204, 8204), (2344, 7714), (3248, 5567), (3857, 4688), (4102, 4408)]