18816952

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2777}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 44336880

約数和(自身を除く): 25519928

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2777, 3388, 5554, 6776, 11108, 19439, 22216, 30547, 38878, 61094, 77756, 122188, 155512, 213829, 244376, 336017, 427658, 672034, 855316, 1344068, 1710632, 2352119, 2688136, 4704238, 9408476, 18816952]

約数ペア:

[(1, 18816952), (2, 9408476), (4, 4704238), (7, 2688136), (8, 2352119), (11, 1710632), (14, 1344068), (22, 855316), (28, 672034), (44, 427658), (56, 336017), (77, 244376), (88, 213829), (121, 155512), (154, 122188), (242, 77756), (308, 61094), (484, 38878), (616, 30547), (847, 22216), (968, 19439), (1694, 11108), (2777, 6776), (3388, 5554)]