19389591

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 31792320

約数和(自身を除く): 12402729

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 1493, 4329, 4479, 12987, 13437, 19409, 40311, 55241, 58227, 165723, 174681, 497169, 524043, 718133, 1491507, 2154399, 6463197, 19389591]

約数ペア:

[(1, 19389591), (3, 6463197), (9, 2154399), (13, 1491507), (27, 718133), (37, 524043), (39, 497169), (111, 174681), (117, 165723), (333, 58227), (351, 55241), (481, 40311), (999, 19409), (1443, 13437), (1493, 12987), (4329, 4479)]