18660954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239243}}^1$

素因数の和:239261

約数の個数: 16

約数和(自身を含む): 40192992

約数和(自身を除く): 21532038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239243, 478486, 717729, 1435458, 3110159, 6220318, 9330477, 18660954]

約数ペア:

[(1, 18660954), (2, 9330477), (3, 6220318), (6, 3110159), (13, 1435458), (26, 717729), (39, 478486), (78, 239243)]