19998836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34963}}^1$

素因数の和:34991

約数の個数: 24

約数和(自身を含む): 41117664

約数和(自身を除く): 21118828

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34963, 69926, 139852, 384593, 454519, 769186, 909038, 1538372, 1818076, 4999709, 9999418, 19998836]

約数ペア:

[(1, 19998836), (2, 9999418), (4, 4999709), (11, 1818076), (13, 1538372), (22, 909038), (26, 769186), (44, 454519), (52, 384593), (143, 139852), (286, 69926), (572, 34963)]