18486699

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12479061

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 419, 573, 1257, 1337, 2101, 2933, 4011, 4609, 6303, 8799, 13827, 14707, 32263, 44121, 80029, 96789, 240087, 560203, 880319, 1680609, 2640957, 6162233, 18486699]

約数ペア:

[(1, 18486699), (3, 6162233), (7, 2640957), (11, 1680609), (21, 880319), (33, 560203), (77, 240087), (191, 96789), (231, 80029), (419, 44121), (573, 32263), (1257, 14707), (1337, 13827), (2101, 8799), (2933, 6303), (4011, 4609)]