1618902010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{4783}}^1$

素因数の和:4999

約数の個数: 64

約数和(自身を含む): 3385234944

約数和(自身を除く): 1766332934

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 181, 187, 362, 374, 905, 935, 1810, 1870, 1991, 3077, 3982, 4783, 6154, 9566, 9955, 15385, 19910, 23915, 30770, 33847, 47830, 52613, 67694, 81311, 105226, 162622, 169235, 263065, 338470, 406555, 526130, 813110, 865723, 894421, 1731446, 1788842, 4328615, 4472105, 8657230, 8944210, 9522953, 14717291, 19045906, 29434582, 47614765, 73586455, 95229530, 147172910, 161890201, 323780402, 809451005, 1618902010]

約数ペア:

[(1, 1618902010), (2, 809451005), (5, 323780402), (10, 161890201), (11, 147172910), (17, 95229530), (22, 73586455), (34, 47614765), (55, 29434582), (85, 19045906), (110, 14717291), (170, 9522953), (181, 8944210), (187, 8657230), (362, 4472105), (374, 4328615), (905, 1788842), (935, 1731446), (1810, 894421), (1870, 865723), (1991, 813110), (3077, 526130), (3982, 406555), (4783, 338470), (6154, 263065), (9566, 169235), (9955, 162622), (15385, 105226), (19910, 81311), (23915, 67694), (30770, 52613), (33847, 47830)]