19874932

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 43731072

約数和(自身を除く): 23856140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 173, 308, 346, 373, 692, 746, 1211, 1492, 1903, 2422, 2611, 3806, 4103, 4844, 5222, 7612, 8206, 10444, 13321, 16412, 26642, 28721, 53284, 57442, 64529, 114884, 129058, 258116, 451703, 709819, 903406, 1419638, 1806812, 2839276, 4968733, 9937466, 19874932]

約数ペア:

[(1, 19874932), (2, 9937466), (4, 4968733), (7, 2839276), (11, 1806812), (14, 1419638), (22, 903406), (28, 709819), (44, 451703), (77, 258116), (154, 129058), (173, 114884), (308, 64529), (346, 57442), (373, 53284), (692, 28721), (746, 26642), (1211, 16412), (1492, 13321), (1903, 10444), (2422, 8206), (2611, 7612), (3806, 5222), (4103, 4844)]