18897484

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 33929280

約数和(自身を除く): 15031796

約数列:

[1, 2, 4, 67, 107, 134, 214, 268, 428, 659, 1318, 2636, 7169, 14338, 28676, 44153, 70513, 88306, 141026, 176612, 282052, 4724371, 9448742, 18897484]

約数ペア:

[(1, 18897484), (2, 9448742), (4, 4724371), (67, 282052), (107, 176612), (134, 141026), (214, 88306), (268, 70513), (428, 44153), (659, 28676), (1318, 14338), (2636, 7169)]