20185989993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19169981}}^1$

素因数の和:19170006

約数の個数: 20

約数和(自身を含む): 32473949508

約数和(自身を除く): 12287959515

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19169981, 57509943, 172529829, 249209753, 517589487, 747629259, 1552768461, 2242887777, 6728663331, 20185989993]

約数ペア:

[(1, 20185989993), (3, 6728663331), (9, 2242887777), (13, 1552768461), (27, 747629259), (39, 517589487), (81, 249209753), (117, 172529829), (351, 57509943), (1053, 19169981)]