18430856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2557}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 37295640

約数和(自身を除く): 18864784

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2557, 3604, 5114, 7208, 10228, 20456, 43469, 86938, 135521, 173876, 271042, 347752, 542084, 1084168, 2303857, 4607714, 9215428, 18430856]

約数ペア:

[(1, 18430856), (2, 9215428), (4, 4607714), (8, 2303857), (17, 1084168), (34, 542084), (53, 347752), (68, 271042), (106, 173876), (136, 135521), (212, 86938), (424, 43469), (901, 20456), (1802, 10228), (2557, 7208), (3604, 5114)]