19054048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 40790736

約数和(自身を除く): 21736688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 163, 208, 281, 326, 416, 562, 652, 1124, 1304, 2119, 2248, 2608, 3653, 4238, 4496, 5216, 7306, 8476, 8992, 14612, 16952, 29224, 33904, 45803, 58448, 67808, 91606, 116896, 183212, 366424, 595439, 732848, 1190878, 1465696, 2381756, 4763512, 9527024, 19054048]

約数ペア:

[(1, 19054048), (2, 9527024), (4, 4763512), (8, 2381756), (13, 1465696), (16, 1190878), (26, 732848), (32, 595439), (52, 366424), (104, 183212), (163, 116896), (208, 91606), (281, 67808), (326, 58448), (416, 45803), (562, 33904), (652, 29224), (1124, 16952), (1304, 14612), (2119, 8992), (2248, 8476), (2608, 7306), (3653, 5216), (4238, 4496)]