18707942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27431}}^1$

素因数の和:27475

約数の個数: 16

約数和(自身を含む): 31601664

約数和(自身を除く): 12893722

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27431, 54862, 301741, 603482, 850361, 1700722, 9353971, 18707942]

約数ペア:

[(1, 18707942), (2, 9353971), (11, 1700722), (22, 850361), (31, 603482), (62, 301741), (341, 54862), (682, 27431)]