18812156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 37580928

約数和(自身を除く): 18768772

約数列:

[1, 2, 4, 11, 22, 43, 44, 61, 86, 122, 163, 172, 244, 326, 473, 652, 671, 946, 1342, 1793, 1892, 2623, 2684, 3586, 5246, 7009, 7172, 9943, 10492, 14018, 19886, 28036, 28853, 39772, 57706, 77099, 109373, 115412, 154198, 218746, 308396, 427549, 437492, 855098, 1710196, 4703039, 9406078, 18812156]

約数ペア:

[(1, 18812156), (2, 9406078), (4, 4703039), (11, 1710196), (22, 855098), (43, 437492), (44, 427549), (61, 308396), (86, 218746), (122, 154198), (163, 115412), (172, 109373), (244, 77099), (326, 57706), (473, 39772), (652, 28853), (671, 28036), (946, 19886), (1342, 14018), (1793, 10492), (1892, 9943), (2623, 7172), (2684, 7009), (3586, 5246)]