18604768

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6419

約数の個数: 48

約数和(自身を含む): 45087840

約数和(自身を除く): 26483072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6389, 12778, 25556, 44723, 51112, 83057, 89446, 102224, 166114, 178892, 204448, 332228, 357784, 581399, 664456, 715568, 1162798, 1328912, 1431136, 2325596, 2657824, 4651192, 9302384, 18604768]

約数ペア:

[(1, 18604768), (2, 9302384), (4, 4651192), (7, 2657824), (8, 2325596), (13, 1431136), (14, 1328912), (16, 1162798), (26, 715568), (28, 664456), (32, 581399), (52, 357784), (56, 332228), (91, 204448), (104, 178892), (112, 166114), (182, 102224), (208, 89446), (224, 83057), (364, 51112), (416, 44723), (728, 25556), (1456, 12778), (2912, 6389)]