19874799

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5347}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 33371520

約数和(自身を除く): 13496721

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5347, 16041, 37429, 48123, 112287, 315473, 336861, 946419, 2208311, 2839257, 6624933, 19874799]

約数ペア:

[(1, 19874799), (3, 6624933), (7, 2839257), (9, 2208311), (21, 946419), (59, 336861), (63, 315473), (177, 112287), (413, 48123), (531, 37429), (1239, 16041), (3717, 5347)]