19623903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 10535457

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 373, 741, 923, 1119, 1349, 2769, 4047, 4849, 7087, 14547, 17537, 21261, 26483, 52611, 79449, 92131, 276393, 344279, 503177, 1032837, 1509531, 6541301, 19623903]

約数ペア:

[(1, 19623903), (3, 6541301), (13, 1509531), (19, 1032837), (39, 503177), (57, 344279), (71, 276393), (213, 92131), (247, 79449), (373, 52611), (741, 26483), (923, 21261), (1119, 17537), (1349, 14547), (2769, 7087), (4047, 4849)]