19944067

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 24429440

約数和(自身を除く): 4485373

約数列:

[1, 11, 13, 31, 121, 143, 341, 403, 409, 1573, 3751, 4433, 4499, 5317, 12679, 48763, 49489, 58487, 139469, 164827, 643357, 1534159, 1813097, 19944067]

約数ペア:

[(1, 19944067), (11, 1813097), (13, 1534159), (31, 643357), (121, 164827), (143, 139469), (341, 58487), (403, 49489), (409, 48763), (1573, 12679), (3751, 5317), (4433, 4499)]