18321520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32717}}^1$

素因数の和:32737

約数の個数: 40

約数和(自身を含む): 48684384

約数和(自身を除く): 30362864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32717, 65434, 130868, 163585, 229019, 261736, 327170, 458038, 523472, 654340, 916076, 1145095, 1308680, 1832152, 2290190, 2617360, 3664304, 4580380, 9160760, 18321520]

約数ペア:

[(1, 18321520), (2, 9160760), (4, 4580380), (5, 3664304), (7, 2617360), (8, 2290190), (10, 1832152), (14, 1308680), (16, 1145095), (20, 916076), (28, 654340), (35, 523472), (40, 458038), (56, 327170), (70, 261736), (80, 229019), (112, 163585), (140, 130868), (280, 65434), (560, 32717)]