39554390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 75276000

約数和(自身を除く): 35721610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 409, 509, 818, 1018, 2045, 2545, 4090, 5090, 7771, 9671, 15542, 19342, 38855, 48355, 77710, 96710, 208181, 416362, 1040905, 2081810, 3955439, 7910878, 19777195, 39554390]

約数ペア:

[(1, 39554390), (2, 19777195), (5, 7910878), (10, 3955439), (19, 2081810), (38, 1040905), (95, 416362), (190, 208181), (409, 96710), (509, 77710), (818, 48355), (1018, 38855), (2045, 19342), (2545, 15542), (4090, 9671), (5090, 7771)]