20189001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50599}}^1$

素因数の和:50628

約数の個数: 16

約数和(自身を含む): 32384000

約数和(自身を除く): 12194999

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50599, 151797, 354193, 961381, 1062579, 2884143, 6729667, 20189001]

約数ペア:

[(1, 20189001), (3, 6729667), (7, 2884143), (19, 1062579), (21, 961381), (57, 354193), (133, 151797), (399, 50599)]