18888931726

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{310663}}^1$

素因数の和:310816

約数の個数: 32

約数和(自身を含む): 33462240768

約数和(自身を除く): 14573309042

約数列:

[1, 2, 7, 14, 43, 86, 101, 202, 301, 602, 707, 1414, 4343, 8686, 30401, 60802, 310663, 621326, 2174641, 4349282, 13358509, 26717018, 31376963, 62753926, 93509563, 187019126, 219638741, 439277482, 1349209409, 2698418818, 9444465863, 18888931726]

約数ペア:

[(1, 18888931726), (2, 9444465863), (7, 2698418818), (14, 1349209409), (43, 439277482), (86, 219638741), (101, 187019126), (202, 93509563), (301, 62753926), (602, 31376963), (707, 26717018), (1414, 13358509), (4343, 4349282), (8686, 2174641), (30401, 621326), (60802, 310663)]