19681148

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{2927}}^1$

素因数の和:3013

約数の個数: 18

約数和(自身を含む): 35314608

約数和(自身を除く): 15633460

約数列:

[1, 2, 4, 41, 82, 164, 1681, 2927, 3362, 5854, 6724, 11708, 120007, 240014, 480028, 4920287, 9840574, 19681148]

約数ペア:

[(1, 19681148), (2, 9840574), (4, 4920287), (41, 480028), (82, 240014), (164, 120007), (1681, 11708), (2927, 6724), (3362, 5854)]