18729782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10487}}^1$

素因数の和:10555

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 11475658

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 10487, 20974, 199253, 398506, 492889, 985778, 9364891, 18729782]

約数ペア:

[(1, 18729782), (2, 9364891), (19, 985778), (38, 492889), (47, 398506), (94, 199253), (893, 20974), (1786, 10487)]