18657772

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 22952468

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2063, 2261, 4126, 4522, 8252, 9044, 14441, 28882, 35071, 39197, 57764, 70142, 78394, 140284, 156788, 245497, 274379, 490994, 548758, 666349, 981988, 1097516, 1332698, 2665396, 4664443, 9328886, 18657772]

約数ペア:

[(1, 18657772), (2, 9328886), (4, 4664443), (7, 2665396), (14, 1332698), (17, 1097516), (19, 981988), (28, 666349), (34, 548758), (38, 490994), (68, 274379), (76, 245497), (119, 156788), (133, 140284), (238, 78394), (266, 70142), (323, 57764), (476, 39197), (532, 35071), (646, 28882), (1292, 14441), (2063, 9044), (2261, 8252), (4126, 4522)]