19663738419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{41399}}^1$

素因数の和:42075

約数の個数: 32

約数和(自身を含む): 29768256000

約数和(自身を除く): 10104517581

約数列:

[1, 3, 13, 19, 39, 57, 247, 641, 741, 1923, 8333, 12179, 24999, 36537, 41399, 124197, 158327, 474981, 538187, 786581, 1614561, 2359743, 10225553, 26536759, 30676659, 79610277, 344977867, 504198421, 1034933601, 1512595263, 6554579473, 19663738419]

約数ペア:

[(1, 19663738419), (3, 6554579473), (13, 1512595263), (19, 1034933601), (39, 504198421), (57, 344977867), (247, 79610277), (641, 30676659), (741, 26536759), (1923, 10225553), (8333, 2359743), (12179, 1614561), (24999, 786581), (36537, 538187), (41399, 474981), (124197, 158327)]