19971710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3863}}^1$

素因数の和:3928

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 20090242

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 3863, 5170, 7726, 19315, 38630, 42493, 84986, 181561, 212465, 363122, 424930, 907805, 1815610, 1997171, 3994342, 9985855, 19971710]

約数ペア:

[(1, 19971710), (2, 9985855), (5, 3994342), (10, 1997171), (11, 1815610), (22, 907805), (47, 424930), (55, 363122), (94, 212465), (110, 181561), (235, 84986), (470, 42493), (517, 38630), (1034, 19315), (2585, 7726), (3863, 5170)]