19938136

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 18844664

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 683, 712, 1366, 2732, 3649, 5464, 7298, 14596, 28003, 29192, 56006, 60787, 112012, 121574, 224024, 243148, 486296, 2492267, 4984534, 9969068, 19938136]

約数ペア:

[(1, 19938136), (2, 9969068), (4, 4984534), (8, 2492267), (41, 486296), (82, 243148), (89, 224024), (164, 121574), (178, 112012), (328, 60787), (356, 56006), (683, 29192), (712, 28003), (1366, 14596), (2732, 7298), (3649, 5464)]