18693724

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3389}}^1$

素因数の和:3597

約数の個数: 24

約数和(自身を含む): 37588320

約数和(自身を除く): 18894596

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3389, 5516, 6778, 13556, 23723, 47446, 94892, 667633, 1335266, 2670532, 4673431, 9346862, 18693724]

約数ペア:

[(1, 18693724), (2, 9346862), (4, 4673431), (7, 2670532), (14, 1335266), (28, 667633), (197, 94892), (394, 47446), (788, 23723), (1379, 13556), (2758, 6778), (3389, 5516)]