19209998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1559}}^1$

素因数の和:1723

約数の個数: 16

約数和(自身を含む): 29596320

約数和(自身を除く): 10386322

約数列:

[1, 2, 61, 101, 122, 202, 1559, 3118, 6161, 12322, 95099, 157459, 190198, 314918, 9604999, 19209998]

約数ペア:

[(1, 19209998), (2, 9604999), (61, 314918), (101, 190198), (122, 157459), (202, 95099), (1559, 12322), (3118, 6161)]