18720834

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9781}}^1$

素因数の和:9826

約数の個数: 32

約数和(自身を含む): 42258240

約数和(自身を除く): 23537406

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 638, 957, 1914, 9781, 19562, 29343, 58686, 107591, 215182, 283649, 322773, 567298, 645546, 850947, 1701894, 3120139, 6240278, 9360417, 18720834]

約数ペア:

[(1, 18720834), (2, 9360417), (3, 6240278), (6, 3120139), (11, 1701894), (22, 850947), (29, 645546), (33, 567298), (58, 322773), (66, 283649), (87, 215182), (174, 107591), (319, 58686), (638, 29343), (957, 19562), (1914, 9781)]