18842480

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{743}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 44006112

約数和(自身を除く): 25163632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 743, 1268, 1486, 1585, 2536, 2972, 3170, 3715, 5072, 5944, 6340, 7430, 11888, 12680, 14860, 25360, 29720, 59440, 235531, 471062, 942124, 1177655, 1884248, 2355310, 3768496, 4710620, 9421240, 18842480]

約数ペア:

[(1, 18842480), (2, 9421240), (4, 4710620), (5, 3768496), (8, 2355310), (10, 1884248), (16, 1177655), (20, 942124), (40, 471062), (80, 235531), (317, 59440), (634, 29720), (743, 25360), (1268, 14860), (1486, 12680), (1585, 11888), (2536, 7430), (2972, 6340), (3170, 5944), (3715, 5072)]