18357220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5701}}^1$

素因数の和:5740

約数の個数: 48

約数和(自身を含む): 45980928

約数和(自身を除く): 27623708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5701, 11402, 22804, 28505, 39907, 57010, 79814, 114020, 131123, 159628, 199535, 262246, 399070, 524492, 655615, 798140, 917861, 1311230, 1835722, 2622460, 3671444, 4589305, 9178610, 18357220]

約数ペア:

[(1, 18357220), (2, 9178610), (4, 4589305), (5, 3671444), (7, 2622460), (10, 1835722), (14, 1311230), (20, 917861), (23, 798140), (28, 655615), (35, 524492), (46, 399070), (70, 262246), (92, 199535), (115, 159628), (140, 131123), (161, 114020), (230, 79814), (322, 57010), (460, 39907), (644, 28505), (805, 22804), (1610, 11402), (3220, 5701)]