18934693813

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1\times {\mathrm{79903}}^1$

素因数の和:80356

約数の個数: 16

約数和(自身を含む): 21925657600

約数和(自身を除く): 2990963787

約数列:

[1, 7, 97, 349, 679, 2443, 33853, 79903, 236971, 559321, 7750591, 27886147, 54254137, 195203029, 2704956259, 18934693813]

約数ペア:

[(1, 18934693813), (7, 2704956259), (97, 195203029), (349, 54254137), (679, 27886147), (2443, 7750591), (33853, 559321), (79903, 236971)]