18043816

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{769}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 20764184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 769, 838, 1538, 1676, 2933, 3076, 3352, 5383, 5866, 6152, 10766, 11732, 21532, 23464, 43064, 322211, 644422, 1288844, 2255477, 2577688, 4510954, 9021908, 18043816]

約数ペア:

[(1, 18043816), (2, 9021908), (4, 4510954), (7, 2577688), (8, 2255477), (14, 1288844), (28, 644422), (56, 322211), (419, 43064), (769, 23464), (838, 21532), (1538, 11732), (1676, 10766), (2933, 6152), (3076, 5866), (3352, 5383)]