19277380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23509}}^1$

素因数の和:23559

約数の個数: 24

約数和(自身を含む): 41471640

約数和(自身を除く): 22194260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23509, 47018, 94036, 117545, 235090, 470180, 963869, 1927738, 3855476, 4819345, 9638690, 19277380]

約数ペア:

[(1, 19277380), (2, 9638690), (4, 4819345), (5, 3855476), (10, 1927738), (20, 963869), (41, 470180), (82, 235090), (164, 117545), (205, 94036), (410, 47018), (820, 23509)]