16993566

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{13297}}^1$

素因数の和:13376

約数の個数: 24

約数和(自身を含む): 37340784

約数和(自身を除く): 20347218

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 13297, 26594, 39891, 79782, 119673, 239346, 944087, 1888174, 2832261, 5664522, 8496783, 16993566]

約数ペア:

[(1, 16993566), (2, 8496783), (3, 5664522), (6, 2832261), (9, 1888174), (18, 944087), (71, 239346), (142, 119673), (213, 79782), (426, 39891), (639, 26594), (1278, 13297)]