18902968

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8233}}^1$

素因数の和:8287

約数の個数: 32

約数和(自身を含む): 41499360

約数和(自身を除く): 22596392

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8233, 16466, 32932, 57631, 65864, 115262, 230524, 337553, 461048, 675106, 1350212, 2362871, 2700424, 4725742, 9451484, 18902968]

約数ペア:

[(1, 18902968), (2, 9451484), (4, 4725742), (7, 2700424), (8, 2362871), (14, 1350212), (28, 675106), (41, 461048), (56, 337553), (82, 230524), (164, 115262), (287, 65864), (328, 57631), (574, 32932), (1148, 16466), (2296, 8233)]