18987334

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7069}}^1$

素因数の和:7167

約数の個数: 16

約数和(自身を含む): 30542400

約数和(自身を除く): 11555066

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7069, 14138, 120173, 240346, 558451, 1116902, 9493667, 18987334]

約数ペア:

[(1, 18987334), (2, 9493667), (17, 1116902), (34, 558451), (79, 240346), (158, 120173), (1343, 14138), (2686, 7069)]