19806039

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22229}}^1$

素因数の和:22252

約数の個数: 20

約数和(自身を含む): 32277960

約数和(自身を除く): 12471921

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22229, 66687, 200061, 244519, 600183, 733557, 1800549, 2200671, 6602013, 19806039]

約数ペア:

[(1, 19806039), (3, 6602013), (9, 2200671), (11, 1800549), (27, 733557), (33, 600183), (81, 244519), (99, 200061), (297, 66687), (891, 22229)]