19113164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22255156

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 971, 1036, 1406, 1942, 2812, 3884, 4921, 6797, 9842, 13594, 18449, 19684, 27188, 35927, 36898, 71854, 73796, 129143, 143708, 251489, 258286, 502978, 516572, 682613, 1005956, 1365226, 2730452, 4778291, 9556582, 19113164]

約数ペア:

[(1, 19113164), (2, 9556582), (4, 4778291), (7, 2730452), (14, 1365226), (19, 1005956), (28, 682613), (37, 516572), (38, 502978), (74, 258286), (76, 251489), (133, 143708), (148, 129143), (259, 73796), (266, 71854), (518, 36898), (532, 35927), (703, 27188), (971, 19684), (1036, 18449), (1406, 13594), (1942, 9842), (2812, 6797), (3884, 4921)]