19867491

素因数分解:

$3^3\times 7^2\times {\mathrm{15017}}^1$

素因数の和:15040

約数の個数: 24

約数和(自身を含む): 34241040

約数和(自身を除く): 14373549

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15017, 45051, 105119, 135153, 315357, 405459, 735833, 946071, 2207499, 2838213, 6622497, 19867491]

約数ペア:

[(1, 19867491), (3, 6622497), (7, 2838213), (9, 2207499), (21, 946071), (27, 735833), (49, 405459), (63, 315357), (147, 135153), (189, 105119), (441, 45051), (1323, 15017)]