19956816

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 62558496

約数和(自身を除く): 42601680

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 43, 44, 48, 66, 72, 86, 88, 99, 129, 132, 144, 172, 176, 198, 258, 264, 293, 344, 387, 396, 473, 516, 528, 586, 688, 774, 792, 879, 946, 1032, 1172, 1419, 1548, 1584, 1758, 1892, 2064, 2344, 2637, 2838, 3096, 3223, 3516, 3784, 4257, 4688, 5274, 5676, 6192, 6446, 7032, 7568, 8514, 9669, 10548, 11352, 12599, 12892, 14064, 17028, 19338, 21096, 22704, 25198, 25784, 29007, 34056, 37797, 38676, 42192, 50396, 51568, 58014, 68112, 75594, 77352, 100792, 113391, 116028, 138589, 151188, 154704, 201584, 226782, 232056, 277178, 302376, 415767, 453564, 464112, 554356, 604752, 831534, 907128, 1108712, 1247301, 1663068, 1814256, 2217424, 2494602, 3326136, 4989204, 6652272, 9978408, 19956816]

約数ペア:

[(1, 19956816), (2, 9978408), (3, 6652272), (4, 4989204), (6, 3326136), (8, 2494602), (9, 2217424), (11, 1814256), (12, 1663068), (16, 1247301), (18, 1108712), (22, 907128), (24, 831534), (33, 604752), (36, 554356), (43, 464112), (44, 453564), (48, 415767), (66, 302376), (72, 277178), (86, 232056), (88, 226782), (99, 201584), (129, 154704), (132, 151188), (144, 138589), (172, 116028), (176, 113391), (198, 100792), (258, 77352), (264, 75594), (293, 68112), (344, 58014), (387, 51568), (396, 50396), (473, 42192), (516, 38676), (528, 37797), (586, 34056), (688, 29007), (774, 25784), (792, 25198), (879, 22704), (946, 21096), (1032, 19338), (1172, 17028), (1419, 14064), (1548, 12892), (1584, 12599), (1758, 11352), (1892, 10548), (2064, 9669), (2344, 8514), (2637, 7568), (2838, 7032), (3096, 6446), (3223, 6192), (3516, 5676), (3784, 5274), (4257, 4688)]