19681760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17573}}^1$

素因数の和:17595

約数の個数: 48

約数和(自身を含む): 53143776

約数和(自身を除く): 33462016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17573, 35146, 70292, 87865, 123011, 140584, 175730, 246022, 281168, 351460, 492044, 562336, 615055, 702920, 984088, 1230110, 1405840, 1968176, 2460220, 2811680, 3936352, 4920440, 9840880, 19681760]

約数ペア:

[(1, 19681760), (2, 9840880), (4, 4920440), (5, 3936352), (7, 2811680), (8, 2460220), (10, 1968176), (14, 1405840), (16, 1230110), (20, 984088), (28, 702920), (32, 615055), (35, 562336), (40, 492044), (56, 351460), (70, 281168), (80, 246022), (112, 175730), (140, 140584), (160, 123011), (224, 87865), (280, 70292), (560, 35146), (1120, 17573)]