19194651

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 33202400

約数和(自身を除く): 14007749

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 349, 567, 679, 873, 1047, 2037, 2443, 2619, 3141, 6111, 7329, 7857, 9423, 18333, 21987, 28269, 33853, 54999, 65961, 101559, 197883, 236971, 304677, 710913, 914031, 2132739, 2742093, 6398217, 19194651]

約数ペア:

[(1, 19194651), (3, 6398217), (7, 2742093), (9, 2132739), (21, 914031), (27, 710913), (63, 304677), (81, 236971), (97, 197883), (189, 101559), (291, 65961), (349, 54999), (567, 33853), (679, 28269), (873, 21987), (1047, 18333), (2037, 9423), (2443, 7857), (2619, 7329), (3141, 6111)]