19993669199

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1\times {\mathrm{887}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 23585734656

約数和(自身を除く): 3592065457

約数列:

[1, 7, 47, 131, 329, 523, 887, 917, 3661, 6157, 6209, 24581, 41689, 43099, 68513, 116197, 172067, 291823, 463901, 479591, 813379, 3220111, 3247307, 5461259, 21803347, 22540777, 38228813, 60771031, 152623429, 425397217, 2856238457, 19993669199]

約数ペア:

[(1, 19993669199), (7, 2856238457), (47, 425397217), (131, 152623429), (329, 60771031), (523, 38228813), (887, 22540777), (917, 21803347), (3661, 5461259), (6157, 3247307), (6209, 3220111), (24581, 813379), (41689, 479591), (43099, 463901), (68513, 291823), (116197, 172067)]