19899154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10163}}^1$

素因数の和:10265

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 13032206

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10163, 20326, 111793, 223586, 904507, 1809014, 9949577, 19899154]

約数ペア:

[(1, 19899154), (2, 9949577), (11, 1809014), (22, 904507), (89, 223586), (178, 111793), (979, 20326), (1958, 10163)]