18865712

素因数分解:

$2^4\times {\mathrm{1069}}^1\times {\mathrm{1103}}^1$

素因数の和:2180

約数の個数: 20

約数和(自身を含む): 36619680

約数和(自身を除く): 17753968

約数列:

[1, 2, 4, 8, 16, 1069, 1103, 2138, 2206, 4276, 4412, 8552, 8824, 17104, 17648, 1179107, 2358214, 4716428, 9432856, 18865712]

約数ペア:

[(1, 18865712), (2, 9432856), (4, 4716428), (8, 2358214), (16, 1179107), (1069, 17648), (1103, 17104), (2138, 8824), (2206, 8552), (4276, 4412)]