19348318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2089}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 31751280

約数和(自身を除く): 12402962

約数列:

[1, 2, 11, 22, 421, 842, 2089, 4178, 4631, 9262, 22979, 45958, 879469, 1758938, 9674159, 19348318]

約数ペア:

[(1, 19348318), (2, 9674159), (11, 1758938), (22, 879469), (421, 45958), (842, 22979), (2089, 9262), (4178, 4631)]