19925774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 34712064

約数和(自身を除く): 14786290

約数列:

[1, 2, 11, 22, 23, 46, 53, 106, 253, 506, 583, 743, 1166, 1219, 1486, 2438, 8173, 13409, 16346, 17089, 26818, 34178, 39379, 78758, 187979, 375958, 433169, 866338, 905717, 1811434, 9962887, 19925774]

約数ペア:

[(1, 19925774), (2, 9962887), (11, 1811434), (22, 905717), (23, 866338), (46, 433169), (53, 375958), (106, 187979), (253, 78758), (506, 39379), (583, 34178), (743, 26818), (1166, 17089), (1219, 16346), (1486, 13409), (2438, 8173)]