19982229

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{811}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 27439104

約数和(自身を除く): 7456875

約数列:

[1, 3, 43, 129, 191, 573, 811, 2433, 8213, 24639, 34873, 104619, 154901, 464703, 6660743, 19982229]

約数ペア:

[(1, 19982229), (3, 6660743), (43, 464703), (129, 154901), (191, 104619), (573, 34873), (811, 24639), (2433, 8213)]