19802673

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 31352256

約数和(自身を除く): 11549583

約数列:

[1, 3, 9, 11, 33, 99, 317, 631, 951, 1893, 2853, 3487, 5679, 6941, 10461, 20823, 31383, 62469, 200027, 600081, 1800243, 2200297, 6600891, 19802673]

約数ペア:

[(1, 19802673), (3, 6600891), (9, 2200297), (11, 1800243), (33, 600081), (99, 200027), (317, 62469), (631, 31383), (951, 20823), (1893, 10461), (2853, 6941), (3487, 5679)]