19870426655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{149239}}^1$

素因数の和:150134

約数の個数: 16

約数和(自身を含む): 24642508800

約数和(自身を除く): 4772082145

約数列:

[1, 5, 31, 155, 859, 4295, 26629, 133145, 149239, 746195, 4626409, 23132045, 128196301, 640981505, 3974085331, 19870426655]

約数ペア:

[(1, 19870426655), (5, 3974085331), (31, 640981505), (155, 128196301), (859, 23132045), (4295, 4626409), (26629, 746195), (133145, 149239)]