19221643

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 22829056

約数和(自身を除く): 3607413

約数列:

[1, 7, 31, 217, 283, 313, 1981, 2191, 8773, 9703, 61411, 67921, 88579, 620053, 2745949, 19221643]

約数ペア:

[(1, 19221643), (7, 2745949), (31, 620053), (217, 88579), (283, 67921), (313, 61411), (1981, 9703), (2191, 8773)]