20197418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7933}}^1$

素因数の和:8021

約数の個数: 16

約数和(自身を含む): 32370720

約数和(自身を除く): 12173302

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7933, 15866, 150727, 301454, 531511, 1063022, 10098709, 20197418]

約数ペア:

[(1, 20197418), (2, 10098709), (19, 1063022), (38, 531511), (67, 301454), (134, 150727), (1273, 15866), (2546, 7933)]