18185157

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 27892800

約数和(自身を除く): 9707643

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1489, 4071, 4467, 12213, 13401, 34247, 87851, 102741, 263553, 308223, 790659, 2020573, 6061719, 18185157]

約数ペア:

[(1, 18185157), (3, 6061719), (9, 2020573), (23, 790659), (59, 308223), (69, 263553), (177, 102741), (207, 87851), (531, 34247), (1357, 13401), (1489, 12213), (4071, 4467)]