18995530

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4327}}^1$

素因数の和:4773

約数の個数: 16

約数和(自身を含む): 34277760

約数和(自身を除く): 15282230

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4327, 4390, 8654, 21635, 43270, 1899553, 3799106, 9497765, 18995530]

約数ペア:

[(1, 18995530), (2, 9497765), (5, 3799106), (10, 1899553), (439, 43270), (878, 21635), (2195, 8654), (4327, 4390)]