19802878

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{653}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 30371760

約数和(自身を除く): 10568882

約数列:

[1, 2, 59, 118, 257, 514, 653, 1306, 15163, 30326, 38527, 77054, 167821, 335642, 9901439, 19802878]

約数ペア:

[(1, 19802878), (2, 9901439), (59, 335642), (118, 167821), (257, 77054), (514, 38527), (653, 30326), (1306, 15163)]