19049751

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4957}}^1$

素因数の和:5031

約数の個数: 24

約数和(自身を含む): 31969184

約数和(自身を除く): 12919433

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4957, 14871, 34699, 44613, 104097, 302377, 312291, 907131, 2116639, 2721393, 6349917, 19049751]

約数ペア:

[(1, 19049751), (3, 6349917), (7, 2721393), (9, 2116639), (21, 907131), (61, 312291), (63, 302377), (183, 104097), (427, 44613), (549, 34699), (1281, 14871), (3843, 4957)]