19887093

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 32065920

約数和(自身を除く): 12178827

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 999, 1171, 1887, 3513, 5661, 10539, 16983, 19907, 31617, 43327, 59721, 129981, 179163, 389943, 537489, 736559, 1169829, 2209677, 6629031, 19887093]

約数ペア:

[(1, 19887093), (3, 6629031), (9, 2209677), (17, 1169829), (27, 736559), (37, 537489), (51, 389943), (111, 179163), (153, 129981), (333, 59721), (459, 43327), (629, 31617), (999, 19907), (1171, 16983), (1887, 10539), (3513, 5661)]