19657154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1381}}^1$

素因数の和:2041

約数の個数: 16

約数和(自身を含む): 32239296

約数和(自身を除く): 12582142

約数列:

[1, 2, 11, 22, 647, 1294, 1381, 2762, 7117, 14234, 15191, 30382, 893507, 1787014, 9828577, 19657154]

約数ペア:

[(1, 19657154), (2, 9828577), (11, 1787014), (22, 893507), (647, 30382), (1294, 15191), (1381, 14234), (2762, 7117)]