18183680

素因数分解:

$2^9\times 5^1\times {\mathrm{7103}}^1$

素因数の和:7126

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 25420672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7103, 14206, 28412, 35515, 56824, 71030, 113648, 142060, 227296, 284120, 454592, 568240, 909184, 1136480, 1818368, 2272960, 3636736, 4545920, 9091840, 18183680]

約数ペア:

[(1, 18183680), (2, 9091840), (4, 4545920), (5, 3636736), (8, 2272960), (10, 1818368), (16, 1136480), (20, 909184), (32, 568240), (40, 454592), (64, 284120), (80, 227296), (128, 142060), (160, 113648), (256, 71030), (320, 56824), (512, 35515), (640, 28412), (1280, 14206), (2560, 7103)]