18823265

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 23251968

約数和(自身を除く): 4428703

約数列:

[1, 5, 47, 173, 235, 463, 865, 2315, 8131, 21761, 40655, 80099, 108805, 400495, 3764653, 18823265]

約数ペア:

[(1, 18823265), (5, 3764653), (47, 400495), (173, 108805), (235, 80099), (463, 40655), (865, 21761), (2315, 8131)]