18995626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8209}}^1$

素因数の和:8313

約数の個数: 16

約数和(自身を含む): 31033800

約数和(自身を除く): 12038174

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8209, 16418, 106717, 213434, 730601, 1461202, 9497813, 18995626]

約数ペア:

[(1, 18995626), (2, 9497813), (13, 1461202), (26, 730601), (89, 213434), (178, 106717), (1157, 16418), (2314, 8209)]