18603065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 6798535

約数列:

[1, 5, 13, 29, 65, 71, 139, 145, 355, 377, 695, 923, 1807, 1885, 2059, 4031, 4615, 9035, 9869, 10295, 20155, 26767, 49345, 52403, 128297, 133835, 262015, 286201, 641485, 1431005, 3720613, 18603065]

約数ペア:

[(1, 18603065), (5, 3720613), (13, 1431005), (29, 641485), (65, 286201), (71, 262015), (139, 133835), (145, 128297), (355, 52403), (377, 49345), (695, 26767), (923, 20155), (1807, 10295), (1885, 9869), (2059, 9035), (4031, 4615)]