19876833

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1386

約数の個数: 20

約数和(自身を含む): 29858928

約数和(自身を除く): 9982095

約数列:

[1, 3, 9, 27, 81, 211, 633, 1163, 1899, 3489, 5697, 10467, 17091, 31401, 94203, 245393, 736179, 2208537, 6625611, 19876833]

約数ペア:

[(1, 19876833), (3, 6625611), (9, 2208537), (27, 736179), (81, 245393), (211, 94203), (633, 31401), (1163, 17091), (1899, 10467), (3489, 5697)]