19839729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72673}}^1$

素因数の和:72696

約数の個数: 16

約数和(自身を含む): 32557952

約数和(自身を除く): 12718223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72673, 218019, 508711, 944749, 1526133, 2834247, 6613243, 19839729]

約数ペア:

[(1, 19839729), (3, 6613243), (7, 2834247), (13, 1526133), (21, 944749), (39, 508711), (91, 218019), (273, 72673)]