19767881

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 23193984

約数和(自身を除く): 3426103

約数列:

[1, 7, 67, 113, 373, 469, 791, 2611, 7571, 24991, 42149, 52997, 174937, 295043, 2823983, 19767881]

約数ペア:

[(1, 19767881), (7, 2823983), (67, 295043), (113, 174937), (373, 52997), (469, 42149), (791, 24991), (2611, 7571)]