19903044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{757}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 53314688

約数和(自身を除く): 33411644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 313, 626, 757, 939, 1252, 1514, 1878, 2191, 2271, 3028, 3756, 4382, 4542, 5299, 6573, 8764, 9084, 10598, 13146, 15897, 21196, 26292, 31794, 63588, 236941, 473882, 710823, 947764, 1421646, 1658587, 2843292, 3317174, 4975761, 6634348, 9951522, 19903044]

約数ペア:

[(1, 19903044), (2, 9951522), (3, 6634348), (4, 4975761), (6, 3317174), (7, 2843292), (12, 1658587), (14, 1421646), (21, 947764), (28, 710823), (42, 473882), (84, 236941), (313, 63588), (626, 31794), (757, 26292), (939, 21196), (1252, 15897), (1514, 13146), (1878, 10598), (2191, 9084), (2271, 8764), (3028, 6573), (3756, 5299), (4382, 4542)]