19971222

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144719}}^1$

素因数の和:144747

約数の個数: 16

約数和(自身を含む): 41679360

約数和(自身を除く): 21708138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144719, 289438, 434157, 868314, 3328537, 6657074, 9985611, 19971222]

約数ペア:

[(1, 19971222), (2, 9985611), (3, 6657074), (6, 3328537), (23, 868314), (46, 434157), (69, 289438), (138, 144719)]