19191681

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{103}}^2$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 29139360

約数和(自身を除く): 9947679

約数列:

[1, 3, 9, 27, 67, 103, 201, 309, 603, 927, 1809, 2781, 6901, 10609, 20703, 31827, 62109, 95481, 186327, 286443, 710803, 2132409, 6397227, 19191681]

約数ペア:

[(1, 19191681), (3, 6397227), (9, 2132409), (27, 710803), (67, 286443), (103, 186327), (201, 95481), (309, 62109), (603, 31827), (927, 20703), (1809, 10609), (2781, 6901)]