19685428

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2801}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 39541824

約数和(自身を除く): 19856396

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 2801, 3514, 5602, 7028, 11204, 19607, 39214, 78428, 703051, 1406102, 2812204, 4921357, 9842714, 19685428]

約数ペア:

[(1, 19685428), (2, 9842714), (4, 4921357), (7, 2812204), (14, 1406102), (28, 703051), (251, 78428), (502, 39214), (1004, 19607), (1757, 11204), (2801, 7028), (3514, 5602)]