19123605

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9883}}^1$

素因数の和:9937

約数の個数: 24

約数和(自身を含む): 33921888

約数和(自身を除く): 14798283

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9883, 29649, 49415, 88947, 148245, 424969, 444735, 1274907, 2124845, 3824721, 6374535, 19123605]

約数ペア:

[(1, 19123605), (3, 6374535), (5, 3824721), (9, 2124845), (15, 1274907), (43, 444735), (45, 424969), (129, 148245), (215, 88947), (387, 49415), (645, 29649), (1935, 9883)]