19046979

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 13900221

約数列:

[1, 3, 7, 9, 21, 43, 63, 79, 89, 129, 237, 267, 301, 387, 553, 623, 711, 801, 903, 1659, 1869, 2709, 3397, 3827, 4977, 5607, 7031, 10191, 11481, 21093, 23779, 26789, 30573, 34443, 49217, 63279, 71337, 80367, 147651, 214011, 241101, 302333, 442953, 906999, 2116331, 2720997, 6348993, 19046979]

約数ペア:

[(1, 19046979), (3, 6348993), (7, 2720997), (9, 2116331), (21, 906999), (43, 442953), (63, 302333), (79, 241101), (89, 214011), (129, 147651), (237, 80367), (267, 71337), (301, 63279), (387, 49217), (553, 34443), (623, 30573), (711, 26789), (801, 23779), (903, 21093), (1659, 11481), (1869, 10191), (2709, 7031), (3397, 5607), (3827, 4977)]