19996911

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10631}}^1$

素因数の和:10667

約数の個数: 24

約数和(自身を含む): 33171840

約数和(自身を除く): 13174929

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10631, 31893, 95679, 116941, 201989, 350823, 605967, 1052469, 1817901, 2221879, 6665637, 19996911]

約数ペア:

[(1, 19996911), (3, 6665637), (9, 2221879), (11, 1817901), (19, 1052469), (33, 605967), (57, 350823), (99, 201989), (171, 116941), (209, 95679), (627, 31893), (1881, 10631)]