18995710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 35435232

約数和(自身を除く): 16439522

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 433, 535, 866, 1070, 2165, 4330, 4387, 8774, 17753, 21935, 35506, 43870, 46331, 88765, 92662, 177530, 231655, 463310, 1899571, 3799142, 9497855, 18995710]

約数ペア:

[(1, 18995710), (2, 9497855), (5, 3799142), (10, 1899571), (41, 463310), (82, 231655), (107, 177530), (205, 92662), (214, 88765), (410, 46331), (433, 43870), (535, 35506), (866, 21935), (1070, 17753), (2165, 8774), (4330, 4387)]