19116218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11903}}^1$

素因数の和:11989

約数の個数: 16

約数和(自身を含む): 31712256

約数和(自身を除く): 12596038

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 11903, 23806, 130933, 261866, 868919, 1737838, 9558109, 19116218]

約数ペア:

[(1, 19116218), (2, 9558109), (11, 1737838), (22, 868919), (73, 261866), (146, 130933), (803, 23806), (1606, 11903)]