19330605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 38712960

約数和(自身を除く): 19382355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 563, 763, 981, 1635, 1689, 2289, 2815, 3815, 3941, 4905, 5067, 6867, 8445, 11445, 11823, 19705, 25335, 34335, 35469, 59115, 61367, 177345, 184101, 306835, 429569, 552303, 920505, 1288707, 2147845, 2761515, 3866121, 6443535, 19330605]

約数ペア:

[(1, 19330605), (3, 6443535), (5, 3866121), (7, 2761515), (9, 2147845), (15, 1288707), (21, 920505), (35, 552303), (45, 429569), (63, 306835), (105, 184101), (109, 177345), (315, 61367), (327, 59115), (545, 35469), (563, 34335), (763, 25335), (981, 19705), (1635, 11823), (1689, 11445), (2289, 8445), (2815, 6867), (3815, 5067), (3941, 4905)]