18905740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1627}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 45948672

約数和(自身を除く): 27042932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1627, 1660, 2324, 2905, 3254, 5810, 6508, 8135, 11389, 11620, 16270, 22778, 32540, 45556, 56945, 113890, 135041, 227780, 270082, 540164, 675205, 945287, 1350410, 1890574, 2700820, 3781148, 4726435, 9452870, 18905740]

約数ペア:

[(1, 18905740), (2, 9452870), (4, 4726435), (5, 3781148), (7, 2700820), (10, 1890574), (14, 1350410), (20, 945287), (28, 675205), (35, 540164), (70, 270082), (83, 227780), (140, 135041), (166, 113890), (332, 56945), (415, 45556), (581, 32540), (830, 22778), (1162, 16270), (1627, 11620), (1660, 11389), (2324, 8135), (2905, 6508), (3254, 5810)]