18151593

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 26880000

約数和(自身を除く): 8728407

約数列:

[1, 3, 19, 29, 57, 79, 87, 139, 237, 417, 551, 1501, 1653, 2291, 2641, 4031, 4503, 6873, 7923, 10981, 12093, 32943, 43529, 76589, 130587, 208639, 229767, 318449, 625917, 955347, 6050531, 18151593]

約数ペア:

[(1, 18151593), (3, 6050531), (19, 955347), (29, 625917), (57, 318449), (79, 229767), (87, 208639), (139, 130587), (237, 76589), (417, 43529), (551, 32943), (1501, 12093), (1653, 10981), (2291, 7923), (2641, 6873), (4031, 4503)]