19988021211

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1\times {\mathrm{39341}}^1$

素因数の和:40546

約数の個数: 16

約数和(自身を含む): 26840686080

約数和(自身を除く): 6852664869

約数列:

[1, 3, 163, 489, 1039, 3117, 39341, 118023, 169357, 508071, 6412583, 19237749, 40875299, 122625897, 6662673737, 19988021211]

約数ペア:

[(1, 19988021211), (3, 6662673737), (163, 122625897), (489, 40875299), (1039, 19237749), (3117, 6412583), (39341, 508071), (118023, 169357)]