19920885

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4243}}^1$

素因数の和:4564

約数の個数: 16

約数和(自身を含む): 31982784

約数和(自身を除く): 12061899

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4243, 4695, 12729, 21215, 63645, 1328059, 3984177, 6640295, 19920885]

約数ペア:

[(1, 19920885), (3, 6640295), (5, 3984177), (15, 1328059), (313, 63645), (939, 21215), (1565, 12729), (4243, 4695)]