18728199

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13205241

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 503, 591, 1379, 1509, 1773, 3521, 4137, 4527, 5319, 10563, 12411, 13581, 31689, 37233, 95067, 99091, 297273, 693637, 891819, 2080911, 2675457, 6242733, 18728199]

約数ペア:

[(1, 18728199), (3, 6242733), (7, 2675457), (9, 2080911), (21, 891819), (27, 693637), (63, 297273), (189, 99091), (197, 95067), (503, 37233), (591, 31689), (1379, 13581), (1509, 12411), (1773, 10563), (3521, 5319), (4137, 4527)]