18198663

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 10541433

約数列:

[1, 3, 7, 21, 53, 83, 159, 197, 249, 371, 581, 591, 1113, 1379, 1743, 4137, 4399, 10441, 13197, 16351, 30793, 31323, 49053, 73087, 92379, 114457, 219261, 343371, 866603, 2599809, 6066221, 18198663]

約数ペア:

[(1, 18198663), (3, 6066221), (7, 2599809), (21, 866603), (53, 343371), (83, 219261), (159, 114457), (197, 92379), (249, 73087), (371, 49053), (581, 31323), (591, 30793), (1113, 16351), (1379, 13197), (1743, 10441), (4137, 4399)]