19498456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19420424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 311, 461, 622, 922, 1244, 1844, 2488, 3688, 5287, 7837, 10574, 15674, 21148, 31348, 42296, 62696, 143371, 286742, 573484, 1146968, 2437307, 4874614, 9749228, 19498456]

約数ペア:

[(1, 19498456), (2, 9749228), (4, 4874614), (8, 2437307), (17, 1146968), (34, 573484), (68, 286742), (136, 143371), (311, 62696), (461, 42296), (622, 31348), (922, 21148), (1244, 15674), (1844, 10574), (2488, 7837), (3688, 5287)]