18961712

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15391}}^1$

素因数の和:15417

約数の個数: 40

約数和(自身を含む): 45806592

約数和(自身を除く): 26844880

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 15391, 30782, 61564, 107737, 123128, 169301, 215474, 246256, 338602, 430948, 677204, 861896, 1185107, 1354408, 1723792, 2370214, 2708816, 4740428, 9480856, 18961712]

約数ペア:

[(1, 18961712), (2, 9480856), (4, 4740428), (7, 2708816), (8, 2370214), (11, 1723792), (14, 1354408), (16, 1185107), (22, 861896), (28, 677204), (44, 430948), (56, 338602), (77, 246256), (88, 215474), (112, 169301), (154, 123128), (176, 107737), (308, 61564), (616, 30782), (1232, 15391)]