19493854

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1373}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 30337920

約数和(自身を除く): 10844066

約数列:

[1, 2, 31, 62, 229, 458, 1373, 2746, 7099, 14198, 42563, 85126, 314417, 628834, 9746927, 19493854]

約数ペア:

[(1, 19493854), (2, 9746927), (31, 628834), (62, 314417), (229, 85126), (458, 42563), (1373, 14198), (2746, 7099)]