17872898

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:649

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 9343102

約数列:

[1, 2, 139, 239, 269, 278, 478, 538, 33221, 37391, 64291, 66442, 74782, 128582, 8936449, 17872898]

約数ペア:

[(1, 17872898), (2, 8936449), (139, 128582), (239, 74782), (269, 66442), (278, 64291), (478, 37391), (538, 33221)]