19904476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 39110400

約数和(自身を除く): 19205924

約数列:

[1, 2, 4, 19, 23, 38, 46, 59, 76, 92, 118, 193, 236, 386, 437, 772, 874, 1121, 1357, 1748, 2242, 2714, 3667, 4439, 4484, 5428, 7334, 8878, 11387, 14668, 17756, 22774, 25783, 45548, 51566, 84341, 103132, 168682, 216353, 261901, 337364, 432706, 523802, 865412, 1047604, 4976119, 9952238, 19904476]

約数ペア:

[(1, 19904476), (2, 9952238), (4, 4976119), (19, 1047604), (23, 865412), (38, 523802), (46, 432706), (59, 337364), (76, 261901), (92, 216353), (118, 168682), (193, 103132), (236, 84341), (386, 51566), (437, 45548), (772, 25783), (874, 22774), (1121, 17756), (1357, 14668), (1748, 11387), (2242, 8878), (2714, 7334), (3667, 5428), (4439, 4484)]