18387897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 28771200

約数和(自身を除く): 10383303

約数列:

[1, 3, 11, 17, 33, 51, 73, 187, 219, 449, 561, 803, 1241, 1347, 2409, 3723, 4939, 7633, 13651, 14817, 22899, 32777, 40953, 83963, 98331, 251889, 360547, 557209, 1081641, 1671627, 6129299, 18387897]

約数ペア:

[(1, 18387897), (3, 6129299), (11, 1671627), (17, 1081641), (33, 557209), (51, 360547), (73, 251889), (187, 98331), (219, 83963), (449, 40953), (561, 32777), (803, 22899), (1241, 14817), (1347, 13651), (2409, 7633), (3723, 4939)]