18161580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2777}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 51337440

約数和(自身を除く): 33175860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2777, 3270, 5554, 6540, 8331, 11108, 13885, 16662, 27770, 33324, 41655, 55540, 83310, 166620, 302693, 605386, 908079, 1210772, 1513465, 1816158, 3026930, 3632316, 4540395, 6053860, 9080790, 18161580]

約数ペア:

[(1, 18161580), (2, 9080790), (3, 6053860), (4, 4540395), (5, 3632316), (6, 3026930), (10, 1816158), (12, 1513465), (15, 1210772), (20, 908079), (30, 605386), (60, 302693), (109, 166620), (218, 83310), (327, 55540), (436, 41655), (545, 33324), (654, 27770), (1090, 16662), (1308, 13885), (1635, 11108), (2180, 8331), (2777, 6540), (3270, 5554)]