19650460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12437}}^1$

素因数の和:12525

約数の個数: 24

約数和(自身を含む): 41791680

約数和(自身を除く): 22141220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12437, 24874, 49748, 62185, 124370, 248740, 982523, 1965046, 3930092, 4912615, 9825230, 19650460]

約数ペア:

[(1, 19650460), (2, 9825230), (4, 4912615), (5, 3930092), (10, 1965046), (20, 982523), (79, 248740), (158, 124370), (316, 62185), (395, 49748), (790, 24874), (1580, 12437)]