19993908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 51254784

約数和(自身を除く): 31260876

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 167, 334, 501, 668, 907, 1002, 1814, 1837, 2004, 2721, 3628, 3674, 5442, 5511, 7348, 9977, 10884, 11022, 19954, 22044, 29931, 39908, 59862, 119724, 151469, 302938, 454407, 605876, 908814, 1666159, 1817628, 3332318, 4998477, 6664636, 9996954, 19993908]

約数ペア:

[(1, 19993908), (2, 9996954), (3, 6664636), (4, 4998477), (6, 3332318), (11, 1817628), (12, 1666159), (22, 908814), (33, 605876), (44, 454407), (66, 302938), (132, 151469), (167, 119724), (334, 59862), (501, 39908), (668, 29931), (907, 22044), (1002, 19954), (1814, 11022), (1837, 10884), (2004, 9977), (2721, 7348), (3628, 5511), (3674, 5442)]