18507194

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 28281960

約数和(自身を除く): 9774766

約数列:

[1, 2, 89, 173, 178, 346, 601, 1202, 15397, 30794, 53489, 103973, 106978, 207946, 9253597, 18507194]

約数ペア:

[(1, 18507194), (2, 9253597), (89, 207946), (173, 106978), (178, 103973), (346, 53489), (601, 30794), (1202, 15397)]