19768816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65029}}^1$

素因数の和:65056

約数の個数: 20

約数和(自身を含む): 40318600

約数和(自身を除く): 20549784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65029, 130058, 260116, 520232, 1040464, 1235551, 2471102, 4942204, 9884408, 19768816]

約数ペア:

[(1, 19768816), (2, 9884408), (4, 4942204), (8, 2471102), (16, 1235551), (19, 1040464), (38, 520232), (76, 260116), (152, 130058), (304, 65029)]