51686384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{170021}}^1$

素因数の和:170048

約数の個数: 20

約数和(自身を含む): 105413640

約数和(自身を除く): 53727256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 170021, 340042, 680084, 1360168, 2720336, 3230399, 6460798, 12921596, 25843192, 51686384]

約数ペア:

[(1, 51686384), (2, 25843192), (4, 12921596), (8, 6460798), (16, 3230399), (19, 2720336), (38, 1360168), (76, 680084), (152, 340042), (304, 170021)]