18666780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28283}}^1$

素因数の和:28306

約数の個数: 48

約数和(自身を含む): 57020544

約数和(自身を除く): 38353764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28283, 56566, 84849, 113132, 141415, 169698, 282830, 311113, 339396, 424245, 565660, 622226, 848490, 933339, 1244452, 1555565, 1696980, 1866678, 3111130, 3733356, 4666695, 6222260, 9333390, 18666780]

約数ペア:

[(1, 18666780), (2, 9333390), (3, 6222260), (4, 4666695), (5, 3733356), (6, 3111130), (10, 1866678), (11, 1696980), (12, 1555565), (15, 1244452), (20, 933339), (22, 848490), (30, 622226), (33, 565660), (44, 424245), (55, 339396), (60, 311113), (66, 282830), (110, 169698), (132, 141415), (165, 113132), (220, 84849), (330, 56566), (660, 28283)]