19091816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{140381}}^1$

素因数の和:140404

約数の個数: 16

約数和(自身を含む): 37903140

約数和(自身を除く): 18811324

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 140381, 280762, 561524, 1123048, 2386477, 4772954, 9545908, 19091816]

約数ペア:

[(1, 19091816), (2, 9545908), (4, 4772954), (8, 2386477), (17, 1123048), (34, 561524), (68, 280762), (136, 140381)]