19850648

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 38532000

約数和(自身を除く): 18681352

約数列:

[1, 2, 4, 8, 37, 74, 148, 199, 296, 337, 398, 674, 796, 1348, 1592, 2696, 7363, 12469, 14726, 24938, 29452, 49876, 58904, 67063, 99752, 134126, 268252, 536504, 2481331, 4962662, 9925324, 19850648]

約数ペア:

[(1, 19850648), (2, 9925324), (4, 4962662), (8, 2481331), (37, 536504), (74, 268252), (148, 134126), (199, 99752), (296, 67063), (337, 58904), (398, 49876), (674, 29452), (796, 24938), (1348, 14726), (1592, 12469), (2696, 7363)]