18932480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2113}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 51852192

約数和(自身を除く): 32919712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2113, 2240, 4226, 4480, 8452, 8960, 10565, 14791, 16904, 21130, 29582, 33808, 42260, 59164, 67616, 73955, 84520, 118328, 135232, 147910, 169040, 236656, 270464, 295820, 338080, 473312, 540928, 591640, 676160, 946624, 1183280, 1352320, 1893248, 2366560, 2704640, 3786496, 4733120, 9466240, 18932480]

約数ペア:

[(1, 18932480), (2, 9466240), (4, 4733120), (5, 3786496), (7, 2704640), (8, 2366560), (10, 1893248), (14, 1352320), (16, 1183280), (20, 946624), (28, 676160), (32, 591640), (35, 540928), (40, 473312), (56, 338080), (64, 295820), (70, 270464), (80, 236656), (112, 169040), (128, 147910), (140, 135232), (160, 118328), (224, 84520), (256, 73955), (280, 67616), (320, 59164), (448, 42260), (560, 33808), (640, 29582), (896, 21130), (1120, 16904), (1280, 14791), (1792, 10565), (2113, 8960), (2240, 8452), (4226, 4480)]