19139128

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 20777672

約数列:

[1, 2, 4, 8, 23, 41, 43, 46, 59, 82, 86, 92, 118, 164, 172, 184, 236, 328, 344, 472, 943, 989, 1357, 1763, 1886, 1978, 2419, 2537, 2714, 3526, 3772, 3956, 4838, 5074, 5428, 7052, 7544, 7912, 9676, 10148, 10856, 14104, 19352, 20296, 40549, 55637, 58351, 81098, 104017, 111274, 116702, 162196, 208034, 222548, 233404, 324392, 416068, 445096, 466808, 832136, 2392391, 4784782, 9569564, 19139128]

約数ペア:

[(1, 19139128), (2, 9569564), (4, 4784782), (8, 2392391), (23, 832136), (41, 466808), (43, 445096), (46, 416068), (59, 324392), (82, 233404), (86, 222548), (92, 208034), (118, 162196), (164, 116702), (172, 111274), (184, 104017), (236, 81098), (328, 58351), (344, 55637), (472, 40549), (943, 20296), (989, 19352), (1357, 14104), (1763, 10856), (1886, 10148), (1978, 9676), (2419, 7912), (2537, 7544), (2714, 7052), (3526, 5428), (3772, 5074), (3956, 4838)]