19997097

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 27934848

約数和(自身を除く): 7937751

約数列:

[1, 3, 23, 69, 353, 821, 1059, 2463, 8119, 18883, 24357, 56649, 289813, 869439, 6665699, 19997097]

約数ペア:

[(1, 19997097), (3, 6665699), (23, 869439), (69, 289813), (353, 56649), (821, 24357), (1059, 18883), (2463, 8119)]