18523604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{79}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 36308160

約数和(自身を除く): 17784556

約数列:

[1, 2, 4, 11, 22, 44, 73, 79, 146, 158, 292, 316, 803, 869, 1606, 1738, 3212, 3476, 5329, 5767, 10658, 11534, 21316, 23068, 58619, 63437, 117238, 126874, 234476, 253748, 420991, 841982, 1683964, 4630901, 9261802, 18523604]

約数ペア:

[(1, 18523604), (2, 9261802), (4, 4630901), (11, 1683964), (22, 841982), (44, 420991), (73, 253748), (79, 234476), (146, 126874), (158, 117238), (292, 63437), (316, 58619), (803, 23068), (869, 21316), (1606, 11534), (1738, 10658), (3212, 5767), (3476, 5329)]