20190610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 41181696

約数和(自身を除く): 20991086

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 191, 310, 341, 382, 682, 955, 961, 1705, 1910, 1922, 2101, 3410, 4202, 4805, 5921, 9610, 10505, 10571, 11842, 21010, 21142, 29605, 52855, 59210, 65131, 105710, 130262, 183551, 325655, 367102, 651310, 917755, 1835510, 2019061, 4038122, 10095305, 20190610]

約数ペア:

[(1, 20190610), (2, 10095305), (5, 4038122), (10, 2019061), (11, 1835510), (22, 917755), (31, 651310), (55, 367102), (62, 325655), (110, 183551), (155, 130262), (191, 105710), (310, 65131), (341, 59210), (382, 52855), (682, 29605), (955, 21142), (961, 21010), (1705, 11842), (1910, 10571), (1922, 10505), (2101, 9610), (3410, 5921), (4202, 4805)]