18926168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 37778400

約数和(自身を除く): 18852232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 317, 439, 634, 878, 1268, 1756, 2536, 3512, 5389, 7463, 10778, 14926, 21556, 29852, 43112, 59704, 139163, 278326, 556652, 1113304, 2365771, 4731542, 9463084, 18926168]

約数ペア:

[(1, 18926168), (2, 9463084), (4, 4731542), (8, 2365771), (17, 1113304), (34, 556652), (68, 278326), (136, 139163), (317, 59704), (439, 43112), (634, 29852), (878, 21556), (1268, 14926), (1756, 10778), (2536, 7463), (3512, 5389)]