18883760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33721}}^1$

素因数の和:33741

約数の個数: 40

約数和(自身を含む): 50178336

約数和(自身を除く): 31294576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33721, 67442, 134884, 168605, 236047, 269768, 337210, 472094, 539536, 674420, 944188, 1180235, 1348840, 1888376, 2360470, 2697680, 3776752, 4720940, 9441880, 18883760]

約数ペア:

[(1, 18883760), (2, 9441880), (4, 4720940), (5, 3776752), (7, 2697680), (8, 2360470), (10, 1888376), (14, 1348840), (16, 1180235), (20, 944188), (28, 674420), (35, 539536), (40, 472094), (56, 337210), (70, 269768), (80, 236047), (112, 168605), (140, 134884), (280, 67442), (560, 33721)]