19474004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4297}}^1$

素因数の和:4415

約数の個数: 24

約数和(自身を含む): 37547328

約数和(自身を除く): 18073324

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4297, 4532, 8594, 17188, 47267, 94534, 189068, 442591, 885182, 1770364, 4868501, 9737002, 19474004]

約数ペア:

[(1, 19474004), (2, 9737002), (4, 4868501), (11, 1770364), (22, 885182), (44, 442591), (103, 189068), (206, 94534), (412, 47267), (1133, 17188), (2266, 8594), (4297, 4532)]