18965724

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 46932480

約数和(自身を除く): 27966756

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 193, 228, 386, 431, 579, 772, 862, 1158, 1293, 1724, 2316, 2586, 3667, 5172, 7334, 8189, 11001, 14668, 16378, 22002, 24567, 32756, 44004, 49134, 83183, 98268, 166366, 249549, 332732, 499098, 998196, 1580477, 3160954, 4741431, 6321908, 9482862, 18965724]

約数ペア:

[(1, 18965724), (2, 9482862), (3, 6321908), (4, 4741431), (6, 3160954), (12, 1580477), (19, 998196), (38, 499098), (57, 332732), (76, 249549), (114, 166366), (193, 98268), (228, 83183), (386, 49134), (431, 44004), (579, 32756), (772, 24567), (862, 22002), (1158, 16378), (1293, 14668), (1724, 11001), (2316, 8189), (2586, 7334), (3667, 5172)]