19621978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10889}}^1$

素因数の和:10961

約数の個数: 16

約数和(自身を含む): 31755240

約数和(自身を除く): 12133262

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 10889, 21778, 185113, 370226, 577117, 1154234, 9810989, 19621978]

約数ペア:

[(1, 19621978), (2, 9810989), (17, 1154234), (34, 577117), (53, 370226), (106, 185113), (901, 21778), (1802, 10889)]