19842308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 36849120

約数和(自身を除く): 17006812

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 1993, 2489, 3986, 4978, 7972, 9956, 37867, 75734, 151468, 261083, 522166, 1044332, 4960577, 9921154, 19842308]

約数ペア:

[(1, 19842308), (2, 9921154), (4, 4960577), (19, 1044332), (38, 522166), (76, 261083), (131, 151468), (262, 75734), (524, 37867), (1993, 9956), (2489, 7972), (3986, 4978)]