19823391

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 33789600

約数和(自身を除く): 13966209

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 441, 553, 569, 711, 1659, 1707, 3871, 3983, 4977, 5121, 11613, 11949, 27881, 34839, 35847, 44951, 83643, 134853, 250929, 314657, 404559, 943971, 2202599, 2831913, 6607797, 19823391]

約数ペア:

[(1, 19823391), (3, 6607797), (7, 2831913), (9, 2202599), (21, 943971), (49, 404559), (63, 314657), (79, 250929), (147, 134853), (237, 83643), (441, 44951), (553, 35847), (569, 34839), (711, 27881), (1659, 11949), (1707, 11613), (3871, 5121), (3983, 4977)]