19687605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1933}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 36390144

約数和(自身を除く): 16702539

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 1933, 2037, 3395, 5799, 9665, 10185, 13531, 28995, 40593, 67655, 187501, 202965, 562503, 937505, 1312507, 2812515, 3937521, 6562535, 19687605]

約数ペア:

[(1, 19687605), (3, 6562535), (5, 3937521), (7, 2812515), (15, 1312507), (21, 937505), (35, 562503), (97, 202965), (105, 187501), (291, 67655), (485, 40593), (679, 28995), (1455, 13531), (1933, 10185), (2037, 9665), (3395, 5799)]