18627460

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1453}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 39205656

約数和(自身を除く): 20578196

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 1453, 2564, 2906, 3205, 5812, 6410, 7265, 12820, 14530, 29060, 931373, 1862746, 3725492, 4656865, 9313730, 18627460]

約数ペア:

[(1, 18627460), (2, 9313730), (4, 4656865), (5, 3725492), (10, 1862746), (20, 931373), (641, 29060), (1282, 14530), (1453, 12820), (2564, 7265), (2906, 6410), (3205, 5812)]