19577144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 40367400

約数和(自身を除く): 20790256

約数列:

[1, 2, 4, 8, 19, 37, 38, 59, 74, 76, 118, 148, 152, 236, 296, 472, 703, 1121, 1406, 2183, 2242, 2812, 3481, 4366, 4484, 5624, 6962, 8732, 8968, 13924, 17464, 27848, 41477, 66139, 82954, 128797, 132278, 165908, 257594, 264556, 331816, 515188, 529112, 1030376, 2447143, 4894286, 9788572, 19577144]

約数ペア:

[(1, 19577144), (2, 9788572), (4, 4894286), (8, 2447143), (19, 1030376), (37, 529112), (38, 515188), (59, 331816), (74, 264556), (76, 257594), (118, 165908), (148, 132278), (152, 128797), (236, 82954), (296, 66139), (472, 41477), (703, 27848), (1121, 17464), (1406, 13924), (2183, 8968), (2242, 8732), (2812, 6962), (3481, 5624), (4366, 4484)]