1913900

素因数分解:

$2^2\times 5^2\times {\mathrm{19139}}^1$

素因数の和:19153

約数の個数: 18

約数和(自身を含む): 4153380

約数和(自身を除く): 2239480

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19139, 38278, 76556, 95695, 191390, 382780, 478475, 956950, 1913900]

約数ペア:

[(1, 1913900), (2, 956950), (4, 478475), (5, 382780), (10, 191390), (20, 95695), (25, 76556), (50, 38278), (100, 19139)]