19708546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 15345662

約数列:

[1, 2, 11, 13, 22, 26, 137, 143, 274, 286, 503, 1006, 1507, 1781, 3014, 3562, 5533, 6539, 11066, 13078, 19591, 39182, 68911, 71929, 137822, 143858, 758021, 895843, 1516042, 1791686, 9854273, 19708546]

約数ペア:

[(1, 19708546), (2, 9854273), (11, 1791686), (13, 1516042), (22, 895843), (26, 758021), (137, 143858), (143, 137822), (274, 71929), (286, 68911), (503, 39182), (1006, 19591), (1507, 13078), (1781, 11066), (3014, 6539), (3562, 5533)]