38813940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19603}}^1$

素因数の和:19629

約数の個数: 72

約数和(自身を含む): 128445408

約数和(自身を除く): 89631468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 19603, 39206, 58809, 78412, 98015, 117618, 176427, 196030, 215633, 235236, 294045, 352854, 392060, 431266, 588090, 646899, 705708, 862532, 882135, 1078165, 1176180, 1293798, 1764270, 1940697, 2156330, 2587596, 3234495, 3528540, 3881394, 4312660, 6468990, 7762788, 9703485, 12937980, 19406970, 38813940]

約数ペア:

[(1, 38813940), (2, 19406970), (3, 12937980), (4, 9703485), (5, 7762788), (6, 6468990), (9, 4312660), (10, 3881394), (11, 3528540), (12, 3234495), (15, 2587596), (18, 2156330), (20, 1940697), (22, 1764270), (30, 1293798), (33, 1176180), (36, 1078165), (44, 882135), (45, 862532), (55, 705708), (60, 646899), (66, 588090), (90, 431266), (99, 392060), (110, 352854), (132, 294045), (165, 235236), (180, 215633), (198, 196030), (220, 176427), (330, 117618), (396, 98015), (495, 78412), (660, 58809), (990, 39206), (1980, 19603)]