19962189

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 31572632

約数和(自身を除く): 11610443

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2797, 7137, 8391, 25173, 36361, 109083, 170617, 327249, 511851, 1535553, 2218021, 6654063, 19962189]

約数ペア:

[(1, 19962189), (3, 6654063), (9, 2218021), (13, 1535553), (39, 511851), (61, 327249), (117, 170617), (183, 109083), (549, 36361), (793, 25173), (2379, 8391), (2797, 7137)]