18161236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 33785640

約数和(自身を除く): 15624404

約数列:

[1, 2, 4, 17, 34, 68, 409, 653, 818, 1306, 1636, 2612, 6953, 11101, 13906, 22202, 27812, 44404, 267077, 534154, 1068308, 4540309, 9080618, 18161236]

約数ペア:

[(1, 18161236), (2, 9080618), (4, 4540309), (17, 1068308), (34, 534154), (68, 267077), (409, 44404), (653, 27812), (818, 22202), (1306, 13906), (1636, 11101), (2612, 6953)]