19491355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1321}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 25318944

約数和(自身を除く): 5827589

約数列:

[1, 5, 13, 65, 227, 1135, 1321, 2951, 6605, 14755, 17173, 85865, 299867, 1499335, 3898271, 19491355]

約数ペア:

[(1, 19491355), (5, 3898271), (13, 1499335), (65, 299867), (227, 85865), (1135, 17173), (1321, 14755), (2951, 6605)]