18973071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9539}}^1$

素因数の和:9575

約数の個数: 24

約数和(自身を含む): 31253040

約数和(自身を除く): 12279969

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9539, 28617, 85851, 124007, 162163, 372021, 486489, 1116063, 1459467, 2108119, 6324357, 18973071]

約数ペア:

[(1, 18973071), (3, 6324357), (9, 2108119), (13, 1459467), (17, 1116063), (39, 486489), (51, 372021), (117, 162163), (153, 124007), (221, 85851), (663, 28617), (1989, 9539)]