18759213

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10009

約数の個数: 24

約数和(自身を含む): 31118880

約数和(自身を除く): 12359667

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 9973, 29919, 89757, 109703, 189487, 329109, 568461, 987327, 1705383, 2084357, 6253071, 18759213]

約数ペア:

[(1, 18759213), (3, 6253071), (9, 2084357), (11, 1705383), (19, 987327), (33, 568461), (57, 329109), (99, 189487), (171, 109703), (209, 89757), (627, 29919), (1881, 9973)]