18800691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4051}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 32675328

約数和(自身を除く): 13874637

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4051, 4641, 12153, 28357, 52663, 68867, 85071, 157989, 206601, 368641, 482069, 895271, 1105923, 1446207, 2685813, 6266897, 18800691]

約数ペア:

[(1, 18800691), (3, 6266897), (7, 2685813), (13, 1446207), (17, 1105923), (21, 895271), (39, 482069), (51, 368641), (91, 206601), (119, 157989), (221, 85071), (273, 68867), (357, 52663), (663, 28357), (1547, 12153), (4051, 4641)]