18925040

素因数分解:

$2^4\times 5^1\times {\mathrm{236563}}^1$

素因数の和:236576

約数の個数: 20

約数和(自身を含む): 44000904

約数和(自身を除く): 25075864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236563, 473126, 946252, 1182815, 1892504, 2365630, 3785008, 4731260, 9462520, 18925040]

約数ペア:

[(1, 18925040), (2, 9462520), (4, 4731260), (5, 3785008), (8, 2365630), (10, 1892504), (16, 1182815), (20, 946252), (40, 473126), (80, 236563)]