19992867

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5851}}^1$

素因数の和:5938

約数の個数: 16

約数和(自身を含む): 28651392

約数和(自身を除く): 8658525

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5851, 17553, 99467, 298401, 392017, 1176051, 6664289, 19992867]

約数ペア:

[(1, 19992867), (3, 6664289), (17, 1176051), (51, 392017), (67, 298401), (201, 99467), (1139, 17553), (3417, 5851)]