16959628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 19328372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 449, 497, 532, 898, 994, 1349, 1796, 1988, 2698, 3143, 5396, 6286, 8531, 9443, 12572, 17062, 18886, 31879, 34124, 37772, 59717, 63758, 119434, 127516, 223153, 238868, 446306, 605701, 892612, 1211402, 2422804, 4239907, 8479814, 16959628]

約数ペア:

[(1, 16959628), (2, 8479814), (4, 4239907), (7, 2422804), (14, 1211402), (19, 892612), (28, 605701), (38, 446306), (71, 238868), (76, 223153), (133, 127516), (142, 119434), (266, 63758), (284, 59717), (449, 37772), (497, 34124), (532, 31879), (898, 18886), (994, 17062), (1349, 12572), (1796, 9443), (1988, 8531), (2698, 6286), (3143, 5396)]