18209992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 36362520

約数和(自身を除く): 18152528

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 257, 514, 521, 1028, 1042, 2056, 2084, 4168, 4369, 8738, 8857, 17476, 17714, 34952, 35428, 70856, 133897, 267794, 535588, 1071176, 2276249, 4552498, 9104996, 18209992]

約数ペア:

[(1, 18209992), (2, 9104996), (4, 4552498), (8, 2276249), (17, 1071176), (34, 535588), (68, 267794), (136, 133897), (257, 70856), (514, 35428), (521, 34952), (1028, 17714), (1042, 17476), (2056, 8857), (2084, 8738), (4168, 4369)]