19508960

素因数分解:

$2^5\times 5^1\times {\mathrm{121931}}^1$

素因数の和:121946

約数の個数: 24

約数和(自身を含む): 46090296

約数和(自身を除く): 26581336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121931, 243862, 487724, 609655, 975448, 1219310, 1950896, 2438620, 3901792, 4877240, 9754480, 19508960]

約数ペア:

[(1, 19508960), (2, 9754480), (4, 4877240), (5, 3901792), (8, 2438620), (10, 1950896), (16, 1219310), (20, 975448), (32, 609655), (40, 487724), (80, 243862), (160, 121931)]