19348244

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 18754156

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 89, 92, 139, 178, 278, 356, 391, 556, 782, 1513, 1564, 2047, 2363, 3026, 3197, 4094, 4726, 6052, 6394, 8188, 9452, 12371, 12788, 24742, 34799, 49484, 54349, 69598, 108698, 139196, 210307, 217396, 284533, 420614, 569066, 841228, 1138132, 4837061, 9674122, 19348244]

約数ペア:

[(1, 19348244), (2, 9674122), (4, 4837061), (17, 1138132), (23, 841228), (34, 569066), (46, 420614), (68, 284533), (89, 217396), (92, 210307), (139, 139196), (178, 108698), (278, 69598), (356, 54349), (391, 49484), (556, 34799), (782, 24742), (1513, 12788), (1564, 12371), (2047, 9452), (2363, 8188), (3026, 6394), (3197, 6052), (4094, 4726)]