18957428

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29437}}^1$

素因数の和:29471

約数の個数: 24

約数和(自身を含む): 39564672

約数和(自身を除く): 20607244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 29437, 58874, 117748, 206059, 412118, 677051, 824236, 1354102, 2708204, 4739357, 9478714, 18957428]

約数ペア:

[(1, 18957428), (2, 9478714), (4, 4739357), (7, 2708204), (14, 1354102), (23, 824236), (28, 677051), (46, 412118), (92, 206059), (161, 117748), (322, 58874), (644, 29437)]