18489038

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 28226880

約数和(自身を除く): 9737842

約数列:

[1, 2, 89, 178, 241, 431, 482, 862, 21449, 38359, 42898, 76718, 103871, 207742, 9244519, 18489038]

約数ペア:

[(1, 18489038), (2, 9244519), (89, 207742), (178, 103871), (241, 76718), (431, 42898), (482, 38359), (862, 21449)]