1900856615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{168143}}^1$

素因数の和:168191

約数の個数: 32

約数和(自身を含む): 2905528320

約数和(自身を除く): 1004671705

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305, 168143, 840715, 1177001, 2858431, 3194717, 5885005, 14292155, 15973585, 20009017, 22363019, 54310189, 100045085, 111815095, 271550945, 380171323, 1900856615]

約数ペア:

[(1, 1900856615), (5, 380171323), (7, 271550945), (17, 111815095), (19, 100045085), (35, 54310189), (85, 22363019), (95, 20009017), (119, 15973585), (133, 14292155), (323, 5885005), (595, 3194717), (665, 2858431), (1615, 1177001), (2261, 840715), (11305, 168143)]