2018118920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{131731}}^1$

素因数の和:132125

約数の個数: 32

約数和(自身を含む): 4552657920

約数和(自身を除く): 2534539000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 15320, 131731, 263462, 526924, 658655, 1053848, 1317310, 2634620, 5269240, 50452973, 100905946, 201811892, 252264865, 403623784, 504529730, 1009059460, 2018118920]

約数ペア:

[(1, 2018118920), (2, 1009059460), (4, 504529730), (5, 403623784), (8, 252264865), (10, 201811892), (20, 100905946), (40, 50452973), (383, 5269240), (766, 2634620), (1532, 1317310), (1915, 1053848), (3064, 658655), (3830, 526924), (7660, 263462), (15320, 131731)]