19385872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4789}}^1$

素因数の和:4831

約数の個数: 40

約数和(自身を含む): 42765120

約数和(自身を除く): 23379248

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4789, 9578, 19156, 38312, 52679, 76624, 105358, 110147, 210716, 220294, 421432, 440588, 842864, 881176, 1211617, 1762352, 2423234, 4846468, 9692936, 19385872]

約数ペア:

[(1, 19385872), (2, 9692936), (4, 4846468), (8, 2423234), (11, 1762352), (16, 1211617), (22, 881176), (23, 842864), (44, 440588), (46, 421432), (88, 220294), (92, 210716), (176, 110147), (184, 105358), (253, 76624), (368, 52679), (506, 38312), (1012, 19156), (2024, 9578), (4048, 4789)]