18426540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27919}}^1$

素因数の和:27942

約数の個数: 48

約数和(自身を含む): 56286720

約数和(自身を除く): 37860180

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, 27919, 55838, 83757, 111676, 139595, 167514, 279190, 307109, 335028, 418785, 558380, 614218, 837570, 921327, 1228436, 1535545, 1675140, 1842654, 3071090, 3685308, 4606635, 6142180, 9213270, 18426540]

約数ペア:

[(1, 18426540), (2, 9213270), (3, 6142180), (4, 4606635), (5, 3685308), (6, 3071090), (10, 1842654), (11, 1675140), (12, 1535545), (15, 1228436), (20, 921327), (22, 837570), (30, 614218), (33, 558380), (44, 418785), (55, 335028), (60, 307109), (66, 279190), (110, 167514), (132, 139595), (165, 111676), (220, 83757), (330, 55838), (660, 27919)]