18950722561

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{61643}}^1$

素因数の和:61932

約数の個数: 16

約数和(自身を含む): 20073259008

約数和(自身を除く): 1122536447

約数列:

[1, 31, 47, 211, 1457, 6541, 9917, 61643, 307427, 1910933, 2897221, 13006673, 89813851, 403206863, 611313631, 18950722561]

約数ペア:

[(1, 18950722561), (31, 611313631), (47, 403206863), (211, 89813851), (1457, 13006673), (6541, 2897221), (9917, 1910933), (61643, 307427)]