18145827

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1832

約数の個数: 36

約数和(自身を含む): 31833360

約数和(自身を除く): 13687533

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1789, 3381, 5367, 10143, 12523, 16101, 37569, 41147, 87661, 112707, 123441, 262983, 288029, 370323, 788949, 864087, 2016203, 2592261, 6048609, 18145827]

約数ペア:

[(1, 18145827), (3, 6048609), (7, 2592261), (9, 2016203), (21, 864087), (23, 788949), (49, 370323), (63, 288029), (69, 262983), (147, 123441), (161, 112707), (207, 87661), (441, 41147), (483, 37569), (1127, 16101), (1449, 12523), (1789, 10143), (3381, 5367)]