19173812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 22974028

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1567, 1748, 3059, 3134, 6118, 6268, 10969, 12236, 21938, 29773, 36041, 43876, 59546, 72082, 119092, 144164, 208411, 252287, 416822, 504574, 684779, 833644, 1009148, 1369558, 2739116, 4793453, 9586906, 19173812]

約数ペア:

[(1, 19173812), (2, 9586906), (4, 4793453), (7, 2739116), (14, 1369558), (19, 1009148), (23, 833644), (28, 684779), (38, 504574), (46, 416822), (76, 252287), (92, 208411), (133, 144164), (161, 119092), (266, 72082), (322, 59546), (437, 43876), (532, 36041), (644, 29773), (874, 21938), (1567, 12236), (1748, 10969), (3059, 6268), (3134, 6118)]