19471688

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{39901}}^1$

素因数の和:39968

約数の個数: 16

約数和(自身を含む): 37108860

約数和(自身を除く): 17637172

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 39901, 79802, 159604, 319208, 2433961, 4867922, 9735844, 19471688]

約数ペア:

[(1, 19471688), (2, 9735844), (4, 4867922), (8, 2433961), (61, 319208), (122, 159604), (244, 79802), (488, 39901)]