19228768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2719}}^1$

素因数の和:2759

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23953952

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2719, 3536, 5438, 7072, 10876, 21752, 35347, 43504, 46223, 70694, 87008, 92446, 141388, 184892, 282776, 369784, 565552, 600899, 739568, 1131104, 1201798, 1479136, 2403596, 4807192, 9614384, 19228768]

約数ペア:

[(1, 19228768), (2, 9614384), (4, 4807192), (8, 2403596), (13, 1479136), (16, 1201798), (17, 1131104), (26, 739568), (32, 600899), (34, 565552), (52, 369784), (68, 282776), (104, 184892), (136, 141388), (208, 92446), (221, 87008), (272, 70694), (416, 46223), (442, 43504), (544, 35347), (884, 21752), (1768, 10876), (2719, 7072), (3536, 5438)]