18600890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 46656000

約数和(自身を除く): 28055110

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 29, 34, 35, 49, 55, 58, 70, 77, 85, 98, 110, 119, 145, 154, 170, 187, 203, 238, 245, 290, 319, 343, 374, 385, 406, 490, 493, 539, 595, 638, 686, 770, 833, 935, 986, 1015, 1078, 1190, 1309, 1421, 1595, 1666, 1715, 1870, 2030, 2233, 2465, 2618, 2695, 2842, 3190, 3430, 3451, 3773, 4165, 4466, 4930, 5390, 5423, 5831, 6545, 6902, 7105, 7546, 8330, 9163, 9947, 10846, 11165, 11662, 13090, 14210, 15631, 17255, 18326, 18865, 19894, 22330, 24157, 27115, 29155, 31262, 34510, 37730, 37961, 45815, 48314, 49735, 54230, 58310, 64141, 75922, 78155, 91630, 99470, 109417, 120785, 128282, 156310, 169099, 189805, 218834, 241570, 265727, 320705, 338198, 379610, 531454, 547085, 641410, 845495, 1094170, 1328635, 1690990, 1860089, 2657270, 3720178, 9300445, 18600890]

約数ペア:

[(1, 18600890), (2, 9300445), (5, 3720178), (7, 2657270), (10, 1860089), (11, 1690990), (14, 1328635), (17, 1094170), (22, 845495), (29, 641410), (34, 547085), (35, 531454), (49, 379610), (55, 338198), (58, 320705), (70, 265727), (77, 241570), (85, 218834), (98, 189805), (110, 169099), (119, 156310), (145, 128282), (154, 120785), (170, 109417), (187, 99470), (203, 91630), (238, 78155), (245, 75922), (290, 64141), (319, 58310), (343, 54230), (374, 49735), (385, 48314), (406, 45815), (490, 37961), (493, 37730), (539, 34510), (595, 31262), (638, 29155), (686, 27115), (770, 24157), (833, 22330), (935, 19894), (986, 18865), (1015, 18326), (1078, 17255), (1190, 15631), (1309, 14210), (1421, 13090), (1595, 11662), (1666, 11165), (1715, 10846), (1870, 9947), (2030, 9163), (2233, 8330), (2465, 7546), (2618, 7105), (2695, 6902), (2842, 6545), (3190, 5831), (3430, 5423), (3451, 5390), (3773, 4930), (4165, 4466)]