18984280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67801}}^1$

素因数の和:67819

約数の個数: 32

約数和(自身を含む): 48817440

約数和(自身を除く): 29833160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67801, 135602, 271204, 339005, 474607, 542408, 678010, 949214, 1356020, 1898428, 2373035, 2712040, 3796856, 4746070, 9492140, 18984280]

約数ペア:

[(1, 18984280), (2, 9492140), (4, 4746070), (5, 3796856), (7, 2712040), (8, 2373035), (10, 1898428), (14, 1356020), (20, 949214), (28, 678010), (35, 542408), (40, 474607), (56, 339005), (70, 271204), (140, 135602), (280, 67801)]