18727460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9091}}^1$

素因数の和:9203

約数の個数: 24

約数和(自身を含む): 39713856

約数和(自身を除く): 20986396

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9091, 18182, 36364, 45455, 90910, 181820, 936373, 1872746, 3745492, 4681865, 9363730, 18727460]

約数ペア:

[(1, 18727460), (2, 9363730), (4, 4681865), (5, 3745492), (10, 1872746), (20, 936373), (103, 181820), (206, 90910), (412, 45455), (515, 36364), (1030, 18182), (2060, 9091)]