19419866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2143}}^1$

素因数の和:2365

約数の個数: 16

約数和(自身を含む): 30564864

約数和(自身を除く): 11144998

約数列:

[1, 2, 23, 46, 197, 394, 2143, 4286, 4531, 9062, 49289, 98578, 422171, 844342, 9709933, 19419866]

約数ペア:

[(1, 19419866), (2, 9709933), (23, 844342), (46, 422171), (197, 98578), (394, 49289), (2143, 9062), (4286, 4531)]