19289864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23046136

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 83, 88, 139, 152, 166, 209, 278, 332, 418, 556, 664, 836, 913, 1112, 1529, 1577, 1672, 1826, 2641, 3058, 3154, 3652, 5282, 6116, 6308, 7304, 10564, 11537, 12232, 12616, 17347, 21128, 23074, 29051, 34694, 46148, 58102, 69388, 92296, 116204, 126907, 138776, 219203, 232408, 253814, 438406, 507628, 876812, 1015256, 1753624, 2411233, 4822466, 9644932, 19289864]

約数ペア:

[(1, 19289864), (2, 9644932), (4, 4822466), (8, 2411233), (11, 1753624), (19, 1015256), (22, 876812), (38, 507628), (44, 438406), (76, 253814), (83, 232408), (88, 219203), (139, 138776), (152, 126907), (166, 116204), (209, 92296), (278, 69388), (332, 58102), (418, 46148), (556, 34694), (664, 29051), (836, 23074), (913, 21128), (1112, 17347), (1529, 12616), (1577, 12232), (1672, 11537), (1826, 10564), (2641, 7304), (3058, 6308), (3154, 6116), (3652, 5282)]