19674844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 41545728

約数和(自身を除く): 21870884

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 137, 161, 223, 274, 322, 446, 548, 644, 892, 959, 1561, 1918, 3122, 3151, 3836, 5129, 6244, 6302, 10258, 12604, 20516, 22057, 30551, 35903, 44114, 61102, 71806, 88228, 122204, 143612, 213857, 427714, 702673, 855428, 1405346, 2810692, 4918711, 9837422, 19674844]

約数ペア:

[(1, 19674844), (2, 9837422), (4, 4918711), (7, 2810692), (14, 1405346), (23, 855428), (28, 702673), (46, 427714), (92, 213857), (137, 143612), (161, 122204), (223, 88228), (274, 71806), (322, 61102), (446, 44114), (548, 35903), (644, 30551), (892, 22057), (959, 20516), (1561, 12604), (1918, 10258), (3122, 6302), (3151, 6244), (3836, 5129)]