18903983

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 23226624

約数和(自身を除く): 4322641

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2371, 7973, 16597, 40307, 158857, 282149, 1111999, 2700569, 18903983]

約数ペア:

[(1, 18903983), (7, 2700569), (17, 1111999), (67, 282149), (119, 158857), (469, 40307), (1139, 16597), (2371, 7973)]