19128627

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1439}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 31749120

約数和(自身を除く): 12620493

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1439, 1477, 1899, 4317, 4431, 10073, 12951, 13293, 30219, 90657, 303629, 910887, 2125403, 2732661, 6376209, 19128627]

約数ペア:

[(1, 19128627), (3, 6376209), (7, 2732661), (9, 2125403), (21, 910887), (63, 303629), (211, 90657), (633, 30219), (1439, 13293), (1477, 12951), (1899, 10073), (4317, 4431)]