19813228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{291371}}^1$

素因数の和:291392

約数の個数: 12

約数和(自身を含む): 36712872

約数和(自身を除く): 16899644

約数列:

[1, 2, 4, 17, 34, 68, 291371, 582742, 1165484, 4953307, 9906614, 19813228]

約数ペア:

[(1, 19813228), (2, 9906614), (4, 4953307), (17, 1165484), (34, 582742), (68, 291371)]