18939645

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4729}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 33204600

約数和(自身を除く): 14264955

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 4729, 14187, 23645, 42561, 70935, 212805, 420881, 1262643, 2104405, 3787929, 6313215, 18939645]

約数ペア:

[(1, 18939645), (3, 6313215), (5, 3787929), (9, 2104405), (15, 1262643), (45, 420881), (89, 212805), (267, 70935), (445, 42561), (801, 23645), (1335, 14187), (4005, 4729)]