19659514

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 36957888

約数和(自身を除く): 17298374

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 113, 119, 226, 238, 289, 301, 578, 602, 731, 791, 1462, 1582, 1921, 2023, 3842, 4046, 4859, 5117, 9718, 10234, 12427, 13447, 24854, 26894, 32657, 34013, 65314, 68026, 82603, 86989, 165206, 173978, 228599, 457198, 578221, 1156442, 1404251, 2808502, 9829757, 19659514]

約数ペア:

[(1, 19659514), (2, 9829757), (7, 2808502), (14, 1404251), (17, 1156442), (34, 578221), (43, 457198), (86, 228599), (113, 173978), (119, 165206), (226, 86989), (238, 82603), (289, 68026), (301, 65314), (578, 34013), (602, 32657), (731, 26894), (791, 24854), (1462, 13447), (1582, 12427), (1921, 10234), (2023, 9718), (3842, 5117), (4046, 4859)]