19901473101

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{1399}}^1\times {\mathrm{9697}}^1$

素因数の和:11265

約数の個数: 24

約数和(自身を含む): 28946590400

約数和(自身を除く): 9045117299

約数列:

[1, 3, 9, 163, 489, 1399, 1467, 4197, 9697, 12591, 29091, 87273, 228037, 684111, 1580611, 2052333, 4741833, 13566103, 14225499, 40698309, 122094927, 2211274789, 6633824367, 19901473101]

約数ペア:

[(1, 19901473101), (3, 6633824367), (9, 2211274789), (163, 122094927), (489, 40698309), (1399, 14225499), (1467, 13566103), (4197, 4741833), (9697, 2052333), (12591, 1580611), (29091, 684111), (87273, 228037)]