19685887871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{215191}}^1$

素因数の和:215462

約数の個数: 16

約数和(自身を含む): 21980571648

約数和(自身を除く): 2294683777

約数列:

[1, 13, 31, 227, 403, 2951, 7037, 91481, 215191, 2797483, 6670921, 48848357, 86721973, 635028641, 1514299067, 19685887871]

約数ペア:

[(1, 19685887871), (13, 1514299067), (31, 635028641), (227, 86721973), (403, 48848357), (2951, 6670921), (7037, 2797483), (91481, 215191)]