18485993

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 20152320

約数和(自身を除く): 1666327

約数列:

[1, 19, 47, 127, 163, 893, 2413, 3097, 5969, 7661, 20701, 113411, 145559, 393319, 972947, 18485993]

約数ペア:

[(1, 18485993), (19, 972947), (47, 393319), (127, 145559), (163, 113411), (893, 20701), (2413, 7661), (3097, 5969)]