19920678

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{45481}}^1$

素因数の和:45559

約数の個数: 16

約数和(自身を含む): 40388016

約数和(自身を除く): 20467338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 45481, 90962, 136443, 272886, 3320113, 6640226, 9960339, 19920678]

約数ペア:

[(1, 19920678), (2, 9960339), (3, 6640226), (6, 3320113), (73, 272886), (146, 136443), (219, 90962), (438, 45481)]