18785272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 42184800

約数和(自身を除く): 23399528

約数列:

[1, 2, 4, 8, 11, 17, 22, 29, 34, 44, 58, 68, 88, 116, 136, 187, 232, 319, 374, 433, 493, 638, 748, 866, 986, 1276, 1496, 1732, 1972, 2552, 3464, 3944, 4763, 5423, 7361, 9526, 10846, 12557, 14722, 19052, 21692, 25114, 29444, 38104, 43384, 50228, 58888, 80971, 100456, 138127, 161942, 213469, 276254, 323884, 426938, 552508, 647768, 853876, 1105016, 1707752, 2348159, 4696318, 9392636, 18785272]

約数ペア:

[(1, 18785272), (2, 9392636), (4, 4696318), (8, 2348159), (11, 1707752), (17, 1105016), (22, 853876), (29, 647768), (34, 552508), (44, 426938), (58, 323884), (68, 276254), (88, 213469), (116, 161942), (136, 138127), (187, 100456), (232, 80971), (319, 58888), (374, 50228), (433, 43384), (493, 38104), (638, 29444), (748, 25114), (866, 21692), (986, 19052), (1276, 14722), (1496, 12557), (1732, 10846), (1972, 9526), (2552, 7361), (3464, 5423), (3944, 4763)]