18970227

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36979}}^1$

素因数の和:37007

約数の個数: 16

約数和(自身を含む): 29584000

約数和(自身を除く): 10613773

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36979, 110937, 332811, 702601, 998433, 2107803, 6323409, 18970227]

約数ペア:

[(1, 18970227), (3, 6323409), (9, 2107803), (19, 998433), (27, 702601), (57, 332811), (171, 110937), (513, 36979)]