18729026

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:1025

約数の個数: 16

約数和(自身を含む): 28689504

約数和(自身を除く): 9960478

約数列:

[1, 2, 73, 146, 163, 326, 787, 1574, 11899, 23798, 57451, 114902, 128281, 256562, 9364513, 18729026]

約数ペア:

[(1, 18729026), (2, 9364513), (73, 256562), (146, 128281), (163, 114902), (326, 57451), (787, 23798), (1574, 11899)]