18953173

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 1575467

約数列:

[1, 23, 47, 89, 197, 1081, 2047, 4183, 4531, 9259, 17533, 96209, 212957, 403259, 824051, 18953173]

約数ペア:

[(1, 18953173), (23, 824051), (47, 403259), (89, 212957), (197, 96209), (1081, 17533), (2047, 9259), (4183, 4531)]