18876722

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 28845720

約数和(自身を除く): 9968998

約数列:

[1, 2, 89, 173, 178, 346, 613, 1226, 15397, 30794, 54557, 106049, 109114, 212098, 9438361, 18876722]

約数ペア:

[(1, 18876722), (2, 9438361), (89, 212098), (173, 109114), (178, 106049), (346, 54557), (613, 30794), (1226, 15397)]