11721870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 30728880

約数和(自身を除く): 19007010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 937, 1251, 1390, 1874, 2085, 2502, 2811, 4170, 4685, 5622, 6255, 8433, 9370, 12510, 14055, 16866, 28110, 42165, 84330, 130243, 260486, 390729, 651215, 781458, 1172187, 1302430, 1953645, 2344374, 3907290, 5860935, 11721870]

約数ペア:

[(1, 11721870), (2, 5860935), (3, 3907290), (5, 2344374), (6, 1953645), (9, 1302430), (10, 1172187), (15, 781458), (18, 651215), (30, 390729), (45, 260486), (90, 130243), (139, 84330), (278, 42165), (417, 28110), (695, 16866), (834, 14055), (937, 12510), (1251, 9370), (1390, 8433), (1874, 6255), (2085, 5622), (2502, 4685), (2811, 4170)]