18812285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5212

約数の個数: 16

約数和(自身を含む): 24463296

約数和(自身を除く): 5651011

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5147, 25735, 87499, 221321, 437495, 1106605, 3762457, 18812285]

約数ペア:

[(1, 18812285), (5, 3762457), (17, 1106605), (43, 437495), (85, 221321), (215, 87499), (731, 25735), (3655, 5147)]