19886674

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6089}}^1$

素因数の和:6185

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 11683886

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6089, 12178, 140047, 280094, 432319, 864638, 9943337, 19886674]

約数ペア:

[(1, 19886674), (2, 9943337), (23, 864638), (46, 432319), (71, 280094), (142, 140047), (1633, 12178), (3266, 6089)]