19303389

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5023}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 32394752

約数和(自身を除く): 13091363

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5023, 15069, 35161, 45207, 105483, 306403, 316449, 919209, 2144821, 2757627, 6434463, 19303389]

約数ペア:

[(1, 19303389), (3, 6434463), (7, 2757627), (9, 2144821), (21, 919209), (61, 316449), (63, 306403), (183, 105483), (427, 45207), (549, 35161), (1281, 15069), (3843, 5023)]