19712380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42853}}^1$

素因数の和:42885

約数の個数: 24

約数和(自身を含む): 43196832

約数和(自身を除く): 23484452

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42853, 85706, 171412, 214265, 428530, 857060, 985619, 1971238, 3942476, 4928095, 9856190, 19712380]

約数ペア:

[(1, 19712380), (2, 9856190), (4, 4928095), (5, 3942476), (10, 1971238), (20, 985619), (23, 857060), (46, 428530), (92, 214265), (115, 171412), (230, 85706), (460, 42853)]