18876123

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1904

約数の個数: 36

約数和(自身を含む): 33113808

約数和(自身を除く): 14237685

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1861, 3381, 5583, 10143, 13027, 16749, 39081, 42803, 91189, 117243, 128409, 273567, 299621, 385227, 820701, 898863, 2097347, 2696589, 6292041, 18876123]

約数ペア:

[(1, 18876123), (3, 6292041), (7, 2696589), (9, 2097347), (21, 898863), (23, 820701), (49, 385227), (63, 299621), (69, 273567), (147, 128409), (161, 117243), (207, 91189), (441, 42803), (483, 39081), (1127, 16749), (1449, 13027), (1861, 10143), (3381, 5583)]