19910461

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 21873600

約数和(自身を除く): 1963139

約数列:

[1, 19, 41, 61, 419, 779, 1159, 2501, 7961, 17179, 25559, 47519, 326401, 485621, 1047919, 19910461]

約数ペア:

[(1, 19910461), (19, 1047919), (41, 485621), (61, 326401), (419, 47519), (779, 25559), (1159, 17179), (2501, 7961)]