18394880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2053}}^1$

素因数の和:2081

約数の個数: 72

約数和(自身を含む): 50380512

約数和(自身を除く): 31985632

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, 2053, 2240, 4106, 4480, 8212, 8960, 10265, 14371, 16424, 20530, 28742, 32848, 41060, 57484, 65696, 71855, 82120, 114968, 131392, 143710, 164240, 229936, 262784, 287420, 328480, 459872, 525568, 574840, 656960, 919744, 1149680, 1313920, 1839488, 2299360, 2627840, 3678976, 4598720, 9197440, 18394880]

約数ペア:

[(1, 18394880), (2, 9197440), (4, 4598720), (5, 3678976), (7, 2627840), (8, 2299360), (10, 1839488), (14, 1313920), (16, 1149680), (20, 919744), (28, 656960), (32, 574840), (35, 525568), (40, 459872), (56, 328480), (64, 287420), (70, 262784), (80, 229936), (112, 164240), (128, 143710), (140, 131392), (160, 114968), (224, 82120), (256, 71855), (280, 65696), (320, 57484), (448, 41060), (560, 32848), (640, 28742), (896, 20530), (1120, 16424), (1280, 14371), (1792, 10265), (2053, 8960), (2240, 8212), (4106, 4480)]