18553184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 21256768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 433, 824, 866, 1339, 1648, 1732, 2678, 3296, 3464, 5356, 5629, 6928, 10712, 11258, 13856, 21424, 22516, 42848, 44599, 45032, 89198, 90064, 178396, 180128, 356792, 579787, 713584, 1159574, 1427168, 2319148, 4638296, 9276592, 18553184]

約数ペア:

[(1, 18553184), (2, 9276592), (4, 4638296), (8, 2319148), (13, 1427168), (16, 1159574), (26, 713584), (32, 579787), (52, 356792), (103, 180128), (104, 178396), (206, 90064), (208, 89198), (412, 45032), (416, 44599), (433, 42848), (824, 22516), (866, 21424), (1339, 13856), (1648, 11258), (1732, 10712), (2678, 6928), (3296, 5629), (3464, 5356)]